Svetlana Jorstad (Svetlana Marchenko prior to 1998): Publications in Scientific Journals
Title
Authors
Year
Journal
Volume
Pages or Article no.

The putative center in NGC 1052
Baczko, A.-K., ..., Jorstad, S., ..., Marscher, A.P., et al. 2024 Astronomy & Astrophysics
692

A205 (15 pages)


Broadband multi-wavelength properties of M87 during the 2018 EHT campaign including a very high energy flaring episode
Algaba, J. C., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astronomy & Astrophysics
692

A140 (44 pages)


Evidence for a shock-compressed magnetic field in the northwestern rim of Vela Jr. from X-ray polarimetry
Prokhorov, D.A., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astronomy & Astrophysics
692

A59 (11 pages)


A wiggling filamentary jet at the origin of the blazar multi-wavelength behaviour
Raiteri, C.M., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astronomy & Astrophysics
692

A48 (14 pages)


Probing the polarized emission from SMC X-1: The brightest X-ray pulsar observed by IXPE
Forsblom, S.V., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astronomy & Astrophysics
691

A216, (11 pages)


Studying geometry of the ultraluminous X-ray pulsar Swift J0243.6+6124 using X-ray and optical polarimetry
Poutanen, Y., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astronomy & Astrophysics
691

A123 (13 pages)


X-Ray and Multiwavelength Polarization of Mrk 501 from 2022 to 2023
Chen, C.-T.J., ..., Jorstad, S.G., Marscher, A.P., et al. 2024 Astrophysical Journal
974

50 (16 pages)


Analysis of Crab X-Ray Polarization Using Deeper Imaging X-Ray Polarimetry Explorer Observations
Wong, J., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astrophysical Journal
973

172 (12 pages)


A Multiwavelength Study to Decipher the 2017 Flare of the Blazar OJ 287
Acharyya, A., ..., Jorstad, S.G., ..., Marscher, A.P. 2024 Astrophysical Journal
973

134 (19 pages)


Observations of Low and Intermediate Spectral Peak Blazars with the Imaging X-Ray Polarimetry Explorer
Marshall, H.L., Liodakis, I., Marscher, A.P., Di Lalla, N., Jorstad, S.G., ..., et al. 2024 Astrophysical Journal
972

74 (19 pages)


First Very Long Baseline Interferometry Detections at 870 microns
Raymond, A.W., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astronomical Journal
168

130 (19 pages)


X-ray polarization measurement of the gold standard of radio-quiet active galactic nuclei: NGC 1068s
Marin, F., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astronomy & Astrophysics
689

A238 (11 pages)


Testing particle acceleration in blazar jets with continuous high-cadence optical polarization observations
Liodakis, I., Kiehlmann, S., Marscher, A.P., Zhang, H., Blinov, D., Jorstad, S.G., et al. 2024 Astronomy & Astrophysics
689

A200 (9 pages)


IXPE observation of PKS 2155-304 reveals the most highly polarized blazar
Kouch, P., ..., Marscher, A.P., ..., Jorstad, S.G., et al. 2024 Astronomy & Astrophysics
689

A119 (17 pages)


The flaring activity of blazar AO 0235+164 in 2021
Escudero Pedrosa, J., Agudo, I., Moritz, T., Marscher, A.P., Jorstad, S.G., et al. 2024 Astronomy & Astrophysics
689

A56 (12 pages)


Complex rotational dynamics of the neutron star in Hercules X-1 revealed by X-ray polarization
Heyl, J., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Nature Astronomy
8

1031-1046


Cygnus X-3 revealed as a Galactic ultraluminous X-ray source by IXPE
Veledina, A., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Nature Astronomy
8

1047-1053


X-ray Polarization of Blazars and Radio Galaxies Measured by the Imaging X-ray Polarimetry Explorer
Marscher, A.P., Di Gesu, L., Jorstad, S.G., Kim, D.E., Liodakis, I., Middei, R., & Tavecchio, F. 2024 Galaxies
12

50


Discovery of a strong rotation of the X-ray polarization angle in the galactic burster GX 13+1
Bobrikova, A., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astronomy & Astrophysics
688

A170, (12 pages)


Analysis of Crab X-ray Polarization using Deeper IXPE Observations
Wong, J., ..., Jorstad, S.G., ...,Marscher, A.P., et al. 2024 Astrophysical Journal
TBD

in press (14 pages)


X-ray and multiwavelength polarization of Mrk 501 from 2022 to 2023
Chen, T.-C.J., ..., Jorstad, S.G., Marscher, A.P., et al. 2024 Astrophysical Journal
TBD

in press (18 pages)


An IXPE-led X-Ray Spectropolarimetric Campaign on the Soft State of Cygnus X-1: X-Ray Polarimetric Evidence for Strong Gravitational Lensing
Steiner, J.F., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astrophysical Journal Letters
969

L30 (15 pages)


Evidence of Jet Activity from the Secondary Black Hole in the OJ 287 Binary System
Valtonen, M.J., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astrophysical Journal Letters
968

L17 (8 pages)


Tracking the X-ray Ray Polarization of the Black Hole Transient Swift J1727.8$-$1613 during a State Transition
Ingram, A., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astrophysical Journal
968

76 (16 pages)


Discovery of a Shock-compressed Magnetic Field in the Northwestern Rim of the Young Supernova Remnant RX J1713.7–3946 with X-Ray Polarimetry
Ferrazzoli, R., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astrophysical Journal Letters
967

L38 (15 pages)


Pulsar-wind-nebula-powered Galactic center X-ray filament G0.13-0.11. Proof of the synchrotron nature by IXPE
Churazov, E., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astronomy & Astrophysics
686

A14 (8 pages)


First Sagittarius A* Event Horizon Telescope Results. VIII. Physical Interpretation of the Polarized Ring
Event Horizon Telescope Collaboration (incl. Jorstad, S.G., and Marscher, A.P.) 2024 Astrophysical Journal Letters
964

L26 (37 pages)



First Sagittarius A* Event Horizon Telescope Results. VII. Polarization of the Ring
Event Horizon Telescope Collaboration (incl. Jorstad, S.G., and Marscher, A.P.) 2024 Astrophysical Journal Letters
964

L25 (32 pages)


Discovery of a variable energy-dependent X-ray polarization in the accreting neutron star GX 5-1
Fabiani, S., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astronomy & Astrophysics
684

A137 (14 pages)


First characterization of the emission behavior of Mrk 421 from radio to very high-energy gamma rays with simultaneous X-ray polarization measurements
Abe, S., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astronomy & Astrophysics
684

A127 (24 pages)


IXPE observation confirms a high spin in the accreting black hole 4U 1957+115
Marra, L., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astronomy & Astrophysics
684

A95 (12 pages)


The Power of Relativistic Jets: A Comparative Study
Foschini, L., Dalla Barba, B., Tornikoski, M., Andernach, H., Marziani, P., Marscher, A.P., Jorstad, S.G., et al. 2024 Universe
10

156 (22 pages)


X-Ray Polarization of the Black Hole X-Ray Binary 4U 1630–47 Challenges the Standard Thin Accretion Disk Scenario
Ratheesh, A., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astrophysical Journal
964

77 (20 pages)


X-Ray Polarimetry of the Dipping Accreting Neutron Star 4U 1624–49
Saade, M.L., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astrophysical Journal
963

133 (11 pages)


Detection of X-Ray Polarization from the Blazar 1ES 1959+650 with the Imaging X-Ray Polarimetry Explorer
Errando, M., Liodakis, I., Marscher, A.P., ..., Jorstad, S.G., et al. 2024 Astrophysical Journal
963

5 (13 pages)


The detection of polarized X-ray emission from the magnetar 1E 2259+586
Heyl, J., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Monthly Notices of the Royal Astronomical Society
527

12219-12231


First Detection of Polarization in X-Rays for PSR B0540-69 and Its Nebula
Xie, F., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astrophysical Journal
962

92 (9 pages)


Ordered magnetic fields around the 3C 84 central black hole
Paraschos, G. F., ..., Jorstad, S., ..., Marscher, A.P., et al. 2024 Astronomy & Astrophysics
682

L3 (15 pages)


Lost in the curve: Investigating the disappearing knots in blazar 3C 454.3
Traianou, E., ..., Jorstad, S., ..., Marscher, A.P., et al. 2024 Astronomy & Astrophysics
682

A154 (14 pages)


Repeating flaring activity of the blazar AO 0235+164
Escudero Pedrosa, J., Agudo, I., Tramacere, A., Marscher, A.P., Jorstad, S., et al. 2024 Astronomy & Astrophysics
682

A100 (23 pages)


X-Ray Polarization of the Eastern Lobe of SS 433
Kaaret, P., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astrophysical Journal Letters
961

L12 (8 pages)


X-Ray Polarized View of the Accretion Geometry in the X-Ray Binary Circinus X-1
Rankin, J., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astrophysical Journal Letters
961

L8 (12 pages)


Highly Significant Detection of X-Ray Polarization from the Brightest Accreting Neutron Star Sco X-1
La Monaco, F., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astrophysical Journal
960

L11 (15 pages)


First X-Ray Polarization Measurement Confirms the Low Black Hole Spin in LMC X-3
Svoboda, J., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2024 Astrophysical Journal
960

3 (12 pages)


The persistent shadow of the supermassive black hole of M 87. I. Observations, calibration, imaging, and analysis
Event Horizon Telescope Collaboration (incl. Jorstad, S.G., and Marscher, A.P.). 2024 Astronomy & Astrophysics
681

A79 (63 pages)


Magnetic field properties inside the jet of Mrk 421. Multiwavelength polarimetry, including the Imaging X-ray Polarimetry Explorer
Kim, D.E., Di Gesu, L., Liodakis, I., Marscher, A.P., Jorstad, S.G., et al. 2024 Astronomy & Astrophysics
681

A12 (17 pages)


Multiband cross-correlated radio variability of the blazar 3C 279
Mohana A, K., Gupta, A., Marscher, A.P., Sotnikova, Yu.V., Jorstad, S.G., et al. 2024 Monthly Notices of the Royal Astronomical Society
527

6970-6980


First X-Ray Polarization Measurement Confirms the Low Black Hole Spin in LMC X-3
Svoboda, J., ..., Marscher, A.P., ...Jorstad, S.G., et al. 2024 Astrophysical Journal
960

3 (12 pages)


X-Ray Polarization of the BL Lacertae Type Blazar 1ES 0229+200
Ehlert, S.R., ..., Marscher, A.P., ...Jorstad, S.G., et al. 2023 Astrophysical Journal
959

61 (11 pages)


Filamentary structures as the origin of blazar jet radio variability
Fuentes, A., ...Jorstad, S.,..., Marscher, A.P., et al. 2023 Nature Astronomy
7

1359-1367


A search for pulsars around Sgr A* in the first Event Horizon Telescope dataset
Torne, P., ..., Marscher, A.P., ...Jorstad, S.G., et al. 2023 Astrophysical Journal
959

14 (27 pages)


Discovery of X-Ray Polarization from the Black Hole Transient Swift J1727.8-1613
Veledina, A., ...Jorstad, S.G.,..., Marscher, A.P., et al. 2023 Astrophysical Journal Letters
958

L16 (8 pages)


The First X-Ray Polarization Observation of the Black Hole X-Ray Binary 4U 1630-47 in the Steep Power-law State
Rodriguez Cavero, N., ...Jorstad, S.G.,..., Marscher, A.P., et al. 2023 Astrophysical Journal Letters
958

L8 (12 pages)


The first X-ray polarimetric observation of the black hole binary LMC X-1
Podgorny, J., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Monthly Notices of the Royal Astronomical Society
526

5964-5975


Magnetic Structures and Turbulence in SN 1006 Revealed with Imaging X-Ray Polarimetry
Zhou, P., ...Jorstad, S.G.,..., Marscher, A.P., et al. 2023 Astrophysical Journal
957

55 (12 pages)


Polarimetric Geometric Modeling for mm-VLBI Observations of Black Holes
Roelofs, F., ...Jorstad, S.G.,..., Marscher, A.P., et al. 2023 Astrophysical Journal Letters
957

L21 (29 pages)


First M87 Event Horizon Telescope Results. IX. Detection of Near-horizon Circular Polarization
Event Horizon Telescope Collaboration, (including Jorstad, S.G., and Marscher, A.P.) 2023 Astrophysical Journal Letters
957

L20 (42 pages)


The Polarized Cosmic Hand: IXPE Observations of PSR B1509-58/MSH 15-5²
Romani, R.W., ...Jorstad, S.G.,..., Marscher, A.P., et al. 2023 Astrophysical Journal
957

23 (9 pages)


The X-ray polarization of the Seyfert 1 galaxy IC 4329A
Ingram, A., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Monthly Notices of the Royal Astronomical Society
525

5437-5449


The geometry of the hot corona in MCG-05-23-16 constrained by X-ray polarimetry
Tagliacozzo, D., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Monthly Notices of the Royal Astronomical Society
525

4735-4743


IXPE and XMM-Newton Observations of the Soft Gamma Repeater SGR 1806-20
Turolla, R., ..., Marscher, A.P., ...Jorstad, S.G., et al. 2023 Astrophysical Journal
954

88 (9 pages)



Complex variations in X-ray polarization in the X-ray pulsar LS V +44 17/RX J0440.9+4431
Doroshenko, V., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Astronomy & Astrophysics
677

A57 (10 pages)


IXPE and Multiwavelength Observations of Blazar PG 1553+113 Reveal an Orphan Optical Polarization Swing
Middei, R., ..., Marscher, A.P., ...Jorstad, S.G., et al. 2023 Astrophysical Journal Letters
953

L28 (10 pages)


First Detection of X-Ray Polarization from the Accreting Neutron Star 4U 1820-303
DiMarco, A., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Astrophysical Journal Letters
953

L22 (13 pages)


X-ray polarimetry of X-ray pulsar X Persei: another orthogonal rotator?
Mushtukov, A.A., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Monthly Notices of the Royal Astronomical Society
524

2004-2014


Uncovering the geometry of the hot X-ray corona in the Seyfert galaxy NGC 4151 with IXPE
Gianolli, V.E., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Monthly Notices of the Royal Astronomical Society
523

4468-4476


Discovery of X-ray polarization angle rotation in the jet from blazar Mrk 421
Di Gesu, L., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Nature Astronomy
7

1245-1258


X-ray polarization evidence for a 200-year-old flare of Sgr A*
Marin, F., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Nature
619

41-45


X-ray polarimetry and spectroscopy of the neutron star low-mass X-ray binary GX 9+9: An in-depth study with IXPE and NuSTAR
Ursini, F., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Astronomy & Astrophysics
676

A20 (10 pages)


X-ray pulsar GRO J1008-57 as an orthogonal rotator
Tsygankov, S., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Astronomy & Astrophysics
675

A48 (11 pages)


A polarimetrically oriented X-ray stare at the accreting pulsar EXO 2030+375
Malacaria, C., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Astronomy & Astrophysics
675

A29 (10 pages)


Multimessenger Characterization of Markarian 501 during Historically Low X-Ray and Gamma-ray Activity
Abe, H., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Astrophysical Journal Supplement Series
266

37 (43 pages)


VERITAS Discovery of Very High Energy Gamma-Ray Emission from S3 1227+25 and Multiwavelength Observations
Acharyya, A., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Astrophysical Journal
950

152 (13 pages)


Comparison of Polarized Radiative Transfer Codes Used by the EHT Collaboration
Prather, B.S., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Astrophysical Journal
950

35 (23 pages)

Discovery of strongly variable X-ray polarization in the neutron star low-mass X-ray binary transient XTE J1701-462
Cocchi, M., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Astronomy & Astrophysics
674

A10 (7 pages)


Simultaneous space and phase resolved X-ray polarimetry of the Crab pulsar and nebula
Bucciantini, N., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Nature Astronomy
7

602-610


X-Ray Polarization of BL Lacertae in Outburst
Peirson, A.L., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Astrophysical Journal Letters
948

L25 (12 pages)


The optical behaviour of BL Lacertae at its maximum brightness levels: a blend of geometry and energetics
Raiteri, C.M., , Villata, M., Jorstad, S.G., Marscher, A.P., et al. 2023 Monthly Notices of the Royal Astronomical Society
522

102-116


IXPE Observations of the Quintessential Wind-accreting X-Ray Pulsar Vela X-1
Forsblom, S.V., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Astrophysical Journal Letters
947

L20 (10 pages)


The IXPE View of GRB 221009A
Negro, M., ..., Marscher, A.P., ...,Jorstad, S.G., et al. 2023 Astrophysical Journal Letters
946

L21 (21 pages)


X-Ray Polarimetry Reveals the Magnetic-field Topology on Sub-parsec Scales in Tycho's Supernova Remnant
Ferrazzoli, R., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Astrophysical Journal
945

52 (14 pages)


Accretion geometry of the neutron star low mass X-ray binary Cyg X-2 from X-ray polarization measurements
Farinelli, R., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Monthly Notices of the Royal Astronomical Society
519

3681-3690


Mapping the circumnuclear regions of the Circinus galaxy with the Imaging X-ray Polarimetry Explorer
Ursini, F., ..., Jorstad, S.G., ..., Marscher, A.P.,, et al. 2023 Monthly Notices of the Royal Astronomical Society
519

50-58


A Strong X-Ray Polarization Signal from the Magnetar 1RXS J170849.0-400910
Zane, S., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Astrophysical Journal Letters
944

L27 (12 pages)


The Event Horizon Telescope Image of the Quasar NRAO 530
Jorstad, S., ..., Marscher, A.P., et al. 2023 Astrophysical Journal
943

170 (19 pages)


Polarization Properties of the Weakly Magnetized Neutron Star X-Ray Binary GS 1826-238 in the High Soft State
Capitanio, F., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2023 Astrophysical Journal Letters
943

129 (14 pages)


X-Ray Polarization Observations of BL Lacertae
Middei, R., ..., Marscher, A.P., ..., Jorstad, S.G., et al. 2023 Astrophysical Journal Letters
942

L10 (14 pages)


Multi-Wavelength and Multi-Messenger Studies Using the Next-Generation Event Horizon Telescope
Lico, R., Jorstad, S.G., Marscher, A.P., et al. 2023 Galaxies
11

17 (10 pages)


Linear Polarization Signatures of Particle Acceleration in High-Synchrotron-Peak Blazars
Marscher, A.P., & Jorstad, S.G. 2022 Universe
8

644 (10 pages)


Polarized Blazar X-rays imply particle acceleration in shocks
Liodakis, I., Marscher, A.P., ..., Jorstad, S.G., et al. 2022 Nature
611

677-681


Determination of X-ray Pulsar Geometry with IXPE Polarimetry
Doroshenko, V., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2022 Nature Astronomy
6

1433-1443


The X-Ray Polarimetry View of the Accreting Pulsar Cen X-3
Tsygankov, S.S., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2022 Astrophysical Journal Letters
941

L14 (16 pages)


Observations of 4U 1626-67 with the Imaging X-Ray Polarimetry Explorer
Marshall, H.L., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2022 Astrophysical Journal
940

70 (13 pages)


Collimation of the Relativistic Jet in the Quasar 3C 273
Okino, H.L., ..., Jorstad, S.G., et al. 2022 Astrophysical Journal
940

65 (17 pages)


Polarized X-rays Constrain the Disk-Jet Geometry in the Black Hole X-ray Binary Cygnus X-1
Krawczynski, H., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2022 Science
378

650-654




Polarized X-rays from a Magnetar
Taverna, R., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2022 Science
378

646-650




The X-ray Polarization View of Mrk 421 in an Average Flux State as Observed by the Imaging X-ray Polarimetry Explorer
Di Gesu, L., ..., Marscher, A.P., ..., Jorstad, S.G., et al. 2022 Astrophysical Journal Letters
938

L7 (12 pages)


X-Ray Polarization Detection of Cassiopeia A with IXPE
Vink, J., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2022 Astrophysical Journal
938

40 (14 pages)




Polarization Constraints on the X-ray Corona in Seyfert Galaxies: MCG-05-23-16
Marinucci, A., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2022 Monthly Notices of the Royal Astronomical Society
516

5907-5913



Rapid quasi-periodic oscillations in the relativistic jet of BL Lacertae
Jorstad, S.G., Marscher, A.P., Raiteri, C.M., Villata, M., Weaver, Z.R., et al. 2022 Nature
609

265-268


Jet kinematics in the transversely stratified jet of 3C 84 A two-decade overview
Paraschos, G.F., Krichbaum, T.P., Kim, J.-Y., Hodgson, J.A., Oh, J., Ros, E., Zensus, J.A., Marscher, A.P., Jorstad, S.G., Gurwell, M.A., Lähteenmäki, A., Tornikoski, M., Kiehlmann, S., & Readhead, A.C.S. 2022 Astronomy & Astrophysics
665

A1 (23 pages)



Limits on X-Ray Polarization at the Core of Centaurus A as Observed with the Imaging X-Ray Polarimetry Explorer
Ehlert, S.R., ..., Marscher, A.P., ..., Jorstad, S.G., et al. 2022 Astrophysical Journal
935

116 (10 pages)



Resolving the Inner Parsec of the Blazar J1924-2914 with the Event Horizon Telescope
Issaoun, S., Wielgus, M., Jorstad, S., ..., Marscher, A.P., et al. 2022 Astrophysical Journal
934

145 (21 pages)


Characterizing and Mitigating Intraday Variability: Reconstructing Source Structure in Accreting Black Holes with mm-VLBI
Broderick, A.E., et al. (The Event Horizon Collaboration, including Jorstad, S.G. & Marscher, A.P.) 2022 Astrophysical Journal Letters
930

L21 (30 pages)



A Universal Power-law Prescription for Variability from Synthetic Images of Black Hole Accretion Flows
Georgiev, B., et al. (The Event Horizon Collaboration, including Jorstad, S.G. & Marscher, A.P.) 2022 Astrophysical Journal Letters
930

L20 (32 pages)



Millimeter Light Curves of Sagittarius A* Observed during the 2017 Event Horizon Telescope Campaign
Wielgus, M., et al. (The Event Horizon Collaboration, including Jorstad, S.G. & Marscher, A.P.) 2022 Astrophysical Journal Letters
930

L19 (32 pages)



Selective Dynamical Imaging of Interferometric Data
Farah, J., et al. (The Event Horizon Collaboration, including Jorstad, S.G. & Marscher, A.P.) 2022 Astrophysical Journal Letters
930

L18 (21 pages)



First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric
The Event Horizon Collaboration (including Jorstad, S.G. & Marscher, A.P.) 2022 Astrophysical Journal Letters
930

L17 (44 pages)



First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole
The Event Horizon Collaboration (including Jorstad, S.G. & Marscher, A.P.) 2022 Astrophysical Journal Letters
930

L16 (49 pages)



First Sagittarius A* Event Horizon Telescope Results. IV. Variability, Morphology, and Black Hole Mass
The Event Horizon Collaboration (including Jorstad, S.G. & Marscher, A.P.) 2022 Astrophysical Journal Letters
930

L15 (52 pages)



First Sagittarius A* Event Horizon Telescope Results. III. Imaging of the Galactic Center Supermassive Black Hole
The Event Horizon Collaboration (including Jorstad, S.G. & Marscher, A.P.) 2022 Astrophysical Journal Letters
930

L14 (64 pages)



FFirst Sagittarius A* Event Horizon Telescope Results. II. EHT and Multiwavelength Observations, Data Processing, and Calibration
The Event Horizon Collaboration (including Jorstad, S.G. & Marscher, A.P.) 2022 Astrophysical Journal Letters
930

L13 (31 pages)



First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way
The Event Horizon Collaboration (including Jorstad, S.G. & Marscher, A.P.) 2022 Astrophysical Journal Letters
930

L12 (21 pages)


Kinematics of Parsec-Scale Jets of Gamma-Ray Bright Blazars at 43 GHz during Ten Years of the VLBA-BU-BLAZAR Program Weaver, Z.R., Jorstad, S.G., Marscher, A.P., Morozova, D.A., Troitsky, I.S., Agudo, I., G\"omez, J.L., L\"ahteenm\"aki, A., Tammi, J., & Tornikoski, M. 2022 Astrophysical Journal Supplement Series
260

12 (42 pages)



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658

L10 (5 pages)


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926

180 (19 pages)



Multiwavelength variability power spectrum analysis of the blazars 3C 279 and PKS 1510-089 on multiple timescales Goyal A., Soida M., Stawarz L., Wiita P.J., Nilsson K., Jorstad S., Marscher A.P., et al. 2022 Astrophysical Journal
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214 (29 pages)



Radio and Gamma-ray activity in the jet of the blazar S5 0716+714 Kim, D.-W., Kravchenko, E.V., Kutkin, A.M., Bottcher, M., G\'omez, J.L., Gurwell, M., Jorstad, S.G., L\"ahteenm\"aki, A., Marscher, A.P., Ramakrishnan, V., Tornikoski, M., Trippe, S., Weaver, Z., & Williamson, K.E. 2022 Astrophysical Journal
925

64 (21 pages)



The Variability of the Black Hole Image in M87 at the Dynamical Timescale Satapathy, K., ..., Jorstad, S., ..., Marscher, A.P., et al. 2022 Astrophysical Journal
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13 (19 pages)



Probing the Innermost Regions of AGN Jets and Their Magnetic Fields with RadioAstron. V. Space and Ground Millimeter-VLBI Imaging of OJ 287 Gomez, J.L., ..., Jorstad, S., ..., Marscher, A.P., et al. 2022 Astrophysical Journal
924

122 (16 pages)



EXPRES. III. Revealing the Stellar Activity Radial Velocity Signature of Epsilon Eridani with Photometry and Interferometry Roettenbacher, R.M., Cabot, S.H.C., Fischer, D.A., ..., Jorstad, S.G., et al. 2022 Astronomical Journal
163

19 (19 pages)



Event Horizon Telescope observations of the jet launching and collimation in Centaurus A Janssen, M., ..., Jorstad, S., ..., Marscher, A.P., et al. 2021 Nature Astronomy
5

1017-1028



Repeated pattern of gamma-ray flares in the lightcurve of the blazar 3C 279 Blinov, D., Jorstad, S.G., Larionov, V.M., MacDonald, N.R., Grishina, T., Kopatskaya, E., Larionova, E., Larionova, L., Morozova, D., Nikiforova, A., Savchenko, S., Troitskaya, Y., & Troitsky, I. 2021 Monthly Notices of the Royal Astronomical Soclety 505

4616-4625



The complex variability of blazars: time-scales and periodicity analysis in S4 0954+65 Raiteri, C.M., Villata, M., Larionov, V.M., Jorstad, S.G., Marscher, A.P., Weaver, Z.R., et al. 2021 Monthly Notices of the Royal Astronomical Soclety 504

5629-5646



X-ray spectral components of the blazar and binary black hole candidate OJ 287 (2005-2020) Komossa, S., Grupe, D., Parker, M.L., Gomez, J.L., Valtonen, M.J., Nowak, M.A., Jorstad, S.G., Haggard, D., Chandra, S., Ciprini, S., Dey, L., Gopakumar, A., Hada, K., Markoff, S., & Neilsen, J. 2021 Monthly Notices of the Royal Astronomical Soclety 504

5757-5587



Multiwavelength variability and correlation studies of Mrk 421 during historically low X-ray and gamma-ray activity in 2015-2016 Acciari, V.A., ..., Marscher, A.P., Jorstad, S.G., ..., et al. 2021 Monthly Notices of the Royal Astronomical Soclety 504

1427-1451



Constraints on black-hole charges with the 2017 EHT observations of M87* Kocherlakota, P., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2021 Physical Review D
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104047 (15 pages)



The Polarized Image of a Synchrotron-emitting Ring of Gas Orbiting a Black Hole Narayan, R., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2021 Astrophysical Journal
912

35 (26 pages)



Frequency and Time Dependence of Linear Polarization in Turbulent Jets of Blazars Marscher, A.P. & Jorstad, S.G. 2021 Galaxies (Special Issue, "Polarimetry as a Probe of Magnetic Fields in AGN Jets", ed. M.F. Aller, J.L. Gomez, & E. Perlman)
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27 (17 pages)



The jet collimation profile at high resolution in BL Lacertae Casadio, C., MacDonald, N. R., Boccardi, B., Jorstad, S. G., Marscher, A. P.; Krichbaum, T. P.; Hodgson, J. A.; Kim, J-Y.;,Traianou, E.; Weaver, Z. R., Gómez Garrido, M., González García, J., Kallunki, J., Lindqvist, M., Sánchez, S., Yang, J., & Zensus, J.A. 2021 Astronomy & Astrophysics
649

A153 (9 pages)


A detailed kinematic study of 3C 84 and its connection to Gamma-rays Hodgson, J.A., Rani, B., Oh, J., Marscher, A., Jorstad, S., Mizuno, Y., Park, J., Lee, S.-S., Trippe, S., & Mertens, F. 2021 Astrophysical Journal
914

43 (19 pages)


Broadband Multi-wavelength Properties of M87 during the 2017 Event Horizon Telescope Campaign Algaba, J.C., ..., Jorstad, S., ..., Marscher, A.P., et al. 2021 Astrophysical Journal Letters
911

L11 (43 pages)



H.E.S.S. and MAGIC observations of a sudden cessation of a very-high-energy gamma-ray flare in PKS1510-089 in May 2016 Abdalla, H., ..., Jorstad, S.G., Marscher, A.P., ..., & Weaver, Z.R. 2021 Astronomy & Astrophysics
648

A23 (22 pages)



Polarimetric Properties of Event Horizon Telescope Targets from ALMA Ciriaco, G., ..., Jorstad, S., ..., Marscher, A.P., et al. 2021 Astrophysical Journal Letters
910

L14 (54 pages)



First First M87 Event Horizon Telescope Results. VIII. Magnetic Field Structure near The Event Horizon Event Horizon Telescope Collaboration: Akiyama, K., ..., Jorstad, S., ..., Marscher, A.P., et al. 2021 Astrophysical Journal Letters
910

L13 (43 pages)



First M87 Event Horizon Telescope Results. VII. Polarization of the Ring Event Horizon Telescope Collaboration: Akiyama, K., ..., Jorstad, S., ..., Marscher, A.P., et al. 2021 Astrophysical Journal Letters
910

L12 (48 pages)



VHE gamma-ray detection of FSRQ QSO B1420+326 and modeling of its enhanced broadband state in 2020 Magic Collaboration: Acciari, V.A., ..., Jorstad, S.G., Marscher, A.P., Weaver, Z.R., Hart, M., Hallum, M.K., et al. 2021 Astronomy & Astrophysics
647

A163 (19 pages)


Two Flares One Shock: the Interesting Case of 3C 454.3 Liodakis, Y., Blinov, D., Jorstad, S.G., Arkharov, A.A., Di Paola, A., Efimova, N.V., Grishina, T.S., Kiehlmann, S., Kopatskaya, E.N., Larionov, V.M., Larionova, L.V., Larionova,E.G., Marscher, A.P., Morozova, D.A., Nikiforova, A.A., Pavlidou, V., Traianou, E., Troitskaya, Yu.V., Troitsky, I.S., Uemura, M., & Weaver, Z.R. 2020 Astrophysical Journal
902

61 (11 pages)



Multi-Wavelength Variability of BL Lacertae Measured with High Time Resolution Weaver, Z.R., Williamson, K.E., Jorstad, S.G., Marscher, A.P., Larionov, V.M., et al. 2020 Astrophysical Journal
900

137 (26 pages)



Verification of Radiative Transfer Schemes for the EHT Gold, R., ..., Jorstad, S., ..., Marscher, A.P., et al. 2020 Astrophysical Journal 897

148 (21 pages)



THEMIS: A Parameter Estimation Framework for the Event Horizon Telescope Broderick, A.E., ..., Jorstad, S., ..., Marscher, A.P., et al. 2020 Astrophysical Journal 897

139 (38 pages)



Event Horizon Telescope imaging of the archetypal blazar 3C 279 at an extreme 20 microarcsecond resolution Kim, J.-Y., Krichbaum, T.P., Broderick, A.E., Wielgus, M., Blackburn, L., Gomez, J.L., Johnson, M.D., Bouman, K.L., Chael, A., Akiyama, K., Jorstad, S., Marscher, A.P.;, et al. 2020 Astronomy & Astrophysics 640

A69 (21 pages)



Probing the Innermost Regions of AGN Jets and Their Magnetic Fields with RadioAstron. III. Blazar S5 0716+71 at Microarcsecond Resolution Kravchenko, E.V., Gómez, J.L., Kovalev, Y.Y., Lobanov, A.P., Savolainen, T., Bruni, G., Fuentes, A., Anderson, J.M., Jorstad, S.G., Marscher, A.P., Tornikoski, M., Lähteenmäki, A., & Lisakov, M.M. 2020 Astrophysical Journal
893

68 (16 pages)



SYMBA: An end-to-end VLBI synthetic data generation pipeline. Simulating Event Horizon Telescope observations of M 87 Roelofs, F., ..., Jorstad, S., ..., Marscher, A.P., et al. 2020 Astronomy & Astrophysics 636

A5 (19 pages)



The Great Markarian 421 Flare of February 2010: Multiwavelength variability and correlation studies Abeysekara, A.U., ..., Jorstad, S.G., Marscher, A.P., et al. 2020 Astrophysical Journal
890

97 (41 pages)



Unravelling the complex behavior of Mrk 421 with simultaneous X-ray and VHE observations during an extreme flaring activity in April 2013 The MAGIC Collaboration: Acciari, V.A., et al., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2020 Astrophysical Journal Supplement 248 2 (46 pages)


Multiwavelength behaviour of the blazar 3C 279: decade-long study from γ-ray to radio Larionov, V. M., Jorstad, S. G., Marscher, A. P., Villata, M., Raiteri, C. M., Smith, P. S., Agudo, I., Savchenko, S. S., Morozova, D. A., Acosta-Pulido, J. A., Aller, M. F., Aller, H. D., Andreeva, T. S., Arkharov, A. A., Bachev, R., Bonnoli, G., Borman, G. A., Bozhilov, V., Calcidese, P., Carnerero, M. I., Carosati, D., Casadio, C., Chen, W. -P., Damljanovic, G., Dementyev, A. V., Di Paola, A., Frasca, A., Fuentes, A., Gómez, J. L., Gónzalez-Morales, P., Giunta, A., Grishina, T. S., Gurwell, M. A., Hagen-Thorn, V. A., Hovatta, T., Ibryamov, S., Joshi, M., Kiehlmann, S., Kim, J. -Y., Kimeridze, G. N., Kopatskaya, E. N., Kovalev, Yu. A., Kovalev, Y. Y., Kurtanidze, O. M., Kurtanidze, S. O., Lähteenmäki, A., Lazaro, C., Larionova, L. V., Larionova, E. G., Leto, G., Marchini, A., Matsumoto, K., Mihov, B., Minev, M., Mingaliev, M. G., Mirzaqulov, D., Muñoz Dimitrova, R. V., Myserlis, I., Nikiforova, A. A., Nikolashvili, M. G., Nizhelsky, N. A., Ovcharov, E., Pressburger, L. D., Rakhimov, I. A., Righini, S., Rizzi, N., Sadakane, K., Sadun, A. C., Samal, M. R., Sanchez, R. Z., Semkov, E., Sergeev, S. G., Sigua, L. A., Slavcheva-Mihova, L., Sola, P., Sotnikova, Yu. V., Strigachev, A., Thum, C., Traianou, E., Troitskaya, Yu. V., Troitsky, I. S., Tsybulev, P. G., Vasilyev, A. A., Vince, O., Weaver, Z. R., Williamson, K. E., Zhekanis, G. V. 2020 Monthly Notices of the Royal Astronomical Soclety 492

3829–3848



Investigating the multiwavelength behaviour of the flat spectrum radio quasar CTA 102 during 2013-2017 D'Ammando, F., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2019 Monthly Notices of the Royal Astronomical Soclety 490

5300-5316



The beamed jet and quasar core of the distant blazar 4C 71.07 Raiteri, C. M., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2019 Monthly Notices of the Royal Astronomical Soclety 489

1837-1849



The Event Horizon General Relativistic Magnetohydrodynamic Code Comparison Project
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243

26 (40 pages)



Time-dependent spectral modelling of Markarian 421 during a violent outburst in 2010 Banerjee, B., Joshi, M., Majumdar, P., Williamson, K.E., Jorstad, S.G., & Marscher, A.P. 2019 Monthly Notices of the Royal Astronomical Soclety 487

845-857



First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole
The Event Horizon Collaboration (including Jorstad, S.G. & Marscher, A.P.) 2019 Astrophysical Journal Letters
875

L6 (44 pages)



First M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring
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875

L5 (31 pages)



First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole
The Event Horizon Collaboration (including Jorstad, S.G. & Marscher, A.P.) 2019 Astrophysical Journal Letters
875

L4 (52 pages)



First First M87 Event Horizon Telescope Results. III. Data Processing and Calibration
The Event Horizon Collaboration (including Jorstad, S.G. & Marscher, A.P.) 2019 Astrophysical Journal Letters
875

L3 (32 pages)



First M87 Event Horizon Telescope Results. II. Array and Instrumentation
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875

L2 (28 pages)



First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole
The Event Horizon Collaboration (including Jorstad, S.G. & Marscher, A.P.) 2019 Astrophysical Journal Letters
875

L1 (17 pages)



The June 2016 Optical and Gamma-Ray Outburst and Optical Micro-Variability of the Blazar 3C454.3
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875

15 (15 pages)



A Fast Very High Energy Gamma-ray Flare from BL Lacertae during a Period of Multiwavelength activity in June 2015 Magic Collaboration: Acciari, V.A., ..., Jorstad, S., Marscher, A.P., Mobeen, M.Z., et al. 2019 Astronomy & Astrophysics 623

A175 (14 pages)



LOFAR Observations of 4C+19.44: On the Discovery of Low-frequency Spectral Curvature in Relativistic Jet Knots
Harris, D.E., Moldon, J., Oonk, J.R.R., Massaro, F., Paggi, A., Deller, A., Godfrey, L., Morganti, R., & Jorstad, S.G. 2019 Astrophysical Journal
873

21 (9 pages)



The magnetic field structure in CTA 102 from high resolution mm-VLBI observations during the flaring state in 2016-2017 Casadio, C., Marscher, A.P., Jorstad, S.G., Blinov, D.A., MacDonald, N.R.. Krichbaum, T.P., Boccardi, B., Traianou, E., Gomez, J.L., Agudo, I., Sohn, B.-W., Bremer, M., Hodgson, J., Kallunki, J., Kim, J.-Y., Williamson, K.E., & Zensus, J.A. 2019 Astronomy & Astrophysics 622
A158 (12 pages)

Spatially resolved origin of mm-wave linear polarization in the nuclear region of 3C84 Kim, J.-Y., Krichbaum, T.P., Marscher, A.P., Jorstad, S.G., Agudo, I., Thum, C., Hodgson, J.A., MacDonald, N.R., Ros, E., Lu, R.-S., Bremer, M., de Vicente, P., Lindqvist, M., Trippe, S., & Zensus, J.A. 2019 Astronomy & Astrophysics 622

A196 (18 pages)


Multi-wavelength characterization of the blazar S5 0716+714 during an unprecedented outburst phase Magic Collaboration: Ahnen, M.L., ..., Jorstad, S., Marscher, A., et al. 2018 Astronomy & Astrophysics 619 A45 (18 pages)

X-ray, UV, and Radio Timing Observations of the Radio Galaxy 3C 120
Marscher, A.P., Jorstad, S.G., Williamson, K.E., Lähteenmäki, A., Tornikoski, M., Hunter, J.M., Leidig, K.A., Mobeen, M.Z., Vera, R.J., & Chamani, W. 2018 Astrophysical Journal
867

128 (16 pages)



Optical Emission and Particle Acceleration in a Quasi-stationary Component in the Jet of OJ 287
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864

67 (11 pages)



Stochastic Modeling of Multiwavelength Variability of the Classical BL Lac Object OJ 287 on Timescales Ranging from Decades to Hours
Goyal, A.,...,Jorstad, S., ,...,Marscher, A., et al. 2018 Astrophysical Journal
863

175 (20 pages)



Exploring the Connection between Parsec-scale Jet Activity and Broadband Outbursts in 3C 279 Rani, B., Jorstad, S.G., Marscher, A.P., et al. 2018 Astrophysical Journal
858

80 (15 pages)



The detection of the blazar S4 0954+65 at very-high-energy with the MAGIC telescopes during an exceptionally high optical state Magic Collaboration: Ahnen, M.L., ..., Jorstad, S.G., Marscher, A.P., et al. 2018 Astronomy & Astrophysics 617

A30 (15 pages)



Multiwavelength observations of the blazar BL Lacertae: a new fast TeV gamma-ray flare Abeysekara, A.U., ..., Jorstad, S.G., Marscher, A.P., et al. 2018 Astrophysical Journal
856

95 (14 pages)



The Bright Gamma-ray Flare of 3C 279 in June 2015: AGILE Detection and Multifrequency Follow-up Observations Pittori, C., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2018 Astrophysical Journal
856

99 (9 pages)



Blazar spectral variability as explained by a twisted inhomogeneous jet Raiteri, C.M., ..., Jorstad, S.G., Joshi, M., ..., Malmrose, M.P., Marscher, A.P., et al. 2017 Nature 552

374-377



Behaviour of the Blazar CTA 102 during Two Giant Outbursts Larionov, V.M., Jorstad, S.G., Marscher, A.P., Smith, P.S., Savchenko, S., Morozova, D., Grishina, T., Kopatskaya, E., Larionova, L., Larionova, E., Mokrushina, A., Troitsky, I., Troitskaya, Y., & Borman, G. 2017 Galaxies 5

91 (7 pages)



"Orphan" Gamma-ray Flares and Stationary Sheaths of Blazar Jets MacDonald, N.R., Jorstad, S.G., & Marscher, A.P. 2017 Astrophysical Journal
850

87 (14 pages)



Dissecting the long-term emission behaviour of the BL Lac object Mrk 421 Carnerero, M.I., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2017 Monthly Notices of the Royal Astronomical Soclety 472

3789-3804



3 mm GMVA Observations of Total and Polarized Emission from Blazar and Radio Galaxy Core Regions Casadio, C., Krichbaum, T., Marscher, A.P., Jorstad, S.G., Gomez, J.L., Agudo, I., Bach, U., Kim, J.-Y., Hodgson, J. A., & Zensus, A.J. 2017 Galaxies 5 67 (8 pages)


Modeling the Time-Dependent Polarization of Blazars Marscher, A.P., Jorstad, S.G., & Williamson, K.E. 2017 Galaxies 5 63 (9 pages)


A Multi-band Study of the Remarkable Jet in Quasar 4C+19.44 Harris, D.E., Lee, N.P., Schwartz, D.A., Siemiginowska, A., Massaro, F., Birkinshaw, M., Worrall, D.M., Cheung, C.C., Gelbord, J.M., Jorstad, S.G., Marscher, A.P., Landt, H., Marshall, H., Perlman, E.S., Stawarz, L., Uchiyama, Y., & Urry, C.M. 2017 Astrophysical Journal 846 119 (16 pages)


Kinematics of Parsec-scale Jets of Gamma-Ray Blazars at 43 GHz within the VLBA-BU-BLAZAR Program Jorstad, S.G., Marscher, A.P., Morozova, D.A., Troitsky, I.S., Agudo, I, Casadio, C., Foord A, Gomez, J.L., MacDonald, N.R, Molina S.N. Lahteenmaki, A., Tammi, Joni, & Tornikoski, M. 2017 Astrophysical Journal 846 98 (35 pages)


Probing the innermost regions of AGN jets and their magnetic fields with RadioAstron. II. Observations of 3C 273 at minimum activity Bruni, G., Gomez, J.L., Casadio, C., Lobanov, A., Kovalev, Y.Y., Sokolovsky, K.V., Lisakov, M.M., Bach, U., Marscher, A.P., Jorstad, S.G., et al. 2017 Astronomy & Astrophysics 604

A111 (9 pages)



Multiwavelength observations of a VHE gamma-ray flare from PKS 1510-089 in 2015 Ahnen, M.L., ..., Jorstad, S.G., Marscher, A.P., et al. 2017 Astronomy & Astrophysics 603

A29 (12 pages)



Location of Gamma-ray Emission and Magnetic Field Strengths in OJ 287 Hodgson, J.A., Krichbaum, T.P., Marscher, A.P., Jorstad, S.G., et al. 2017 Astronomy & Astrophysics 597

A80 (29 pages)



Correlation Analysis of Delays between Variations of Gamma-Ray and Optical Light Curves of Blazars Williamson, K.E., Jorstad, S.G., Marscher, A.P., Larionov, V.M., Agudo, I., Arkhanov, A.A., Blinov, D.A., Casadio, C., Gomez, J.L., Hagen-Thorn, V.A., Joshi, M., Konstantinova, T.S., Kopatskaya, E.N., Larionova, E.G., Larionova, L.V., Malmrose, M.P., McHardy, I.M., Molina, S.N., Morozova, D.A., Taylor, B.W., & Troitsky, I.S. 2016 Galaxies 4

64 (6 pages)



The VLBA-BU-BLAZAR Multi-Wavelength Monitoring Program Jorstad, S.G., & Marscher, A.P. 2016 Galaxies 4

47 (10 pages)



Polarization Vector Rotations: Real, Spurious, Hidden and Imaginary Larionov, V.M., Jorstad, S.G., Marscher, A.P.,  & Smith, P.S. 2016 Galaxies 4

43 (8 pages)



The Connection between the Radio Jet and the γ-ray Emission in the Radio Galaxy 3C 120 and the Blazar CTA 102 Casadio, C., Gomez, J.L., Jorstad, S.G., Marscher, A.P, . . ., Bala, V., Joshi, M., Taylor, B., Williamson, K.E., et al.
2016 Galaxies 4

34 (9 pages)



Exploring the Magnetic Field Configuration in BL Lac Using GMVA Rani, B., Krichbaum, T.P., Hodgson, J.A., Koyama, S., Zensus, J.A., Fuhrmann, L., Marscher, A., & Jorstad, S. 2016 Galaxies 4

32 (6 pages)



Optical Outburst of the Blazar S4 0954+658 in Early 2015 Morozova, D., Larionov, V., Jorstad, S., Marscher, A., Troitskaya, I., Troitskiy, I., Blinov, D., Borman, G., & Gurwell, M. 2016 Galaxies 4

24 (5 pages)



Location of Gamma-ray Multifrequency Photo-polarimetric WEBT Observation Campaign on the Blazar S5 0716+714: Source Microvariability and Search for Characteristic Timescales Bhatta, G., Stawarz, L., Ostrowski, M., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2016 Astrophysical Journal 831

92 (17 pages)



Exceptional Outburst of the Blazar CTA 102 in 2012: The GASP-WEBT Campaign and its Extension Larionov, V.M., Villata, M., Raiteri, C.M., Jorstad, S.G., Marscher, A.P., Agudo, I., et al. 2016 Monthly Notices of the Royal Astronomical Soclety 461

3047-3056



Polarization Angle Swings in Blazars: The Case of 3C 279 Kiehlmann, S., Savolainen, T., Jorstad, S.G., Sokolovsky, K.V., Schinzel, F.K.. Marscher, A.P., Larionov, V.M., Agudo, I., et al. 2016 Astronomy & Astrophysics 590

A10 (20 pages)



Multiwavelength Study of Quiescent States of Mrk 421 with Unprecedented Hard X-Ray Coverage Provided by NuSTAR in 2013 Balokovic, M., J., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2016 Astrophysical Journal 819

156 (30 pages)



Probing the innermost regions of AGN jets and their magnetic fields with RadioAstron. I. Imaging BL Lacertae at 21 microarcsecond resolution Gomez, J.L., Lobanov, A.P., Bruni, G., Kovalev, Y.Y., Marscher, A.P., Jorstad, S.G., Mizuno, Y., Bach, U., Sokolovsky, K.V., Anderson, J.M., Galindo, P., Kardashev, N.S., & Lisakov, M.M. 2016 Astrophysical Journal 817 96 (14 pages)


Erratic Flaring of BL Lac in 2012-2013: Multiwavelength Observations Wehrle, A.E., Grupe, D., Jorstad, S.G., Marscher, A.P., Gurwell, M., Balokovi, M., Hovatta, T., Madejski, G.M., Harrison, F.H., & Stern, D. 2016 Astrophysical Journal 816

53 (26 pages)



A Multi-wavelength Polarimetric Study of the Blazar CTA102 during a Gamma-ray Flare in 2012 Casadio, C., Gomez, J.L., Jorstad, S.G., Marscher, A.P., ... , Bala, V., Joshi, M., Taylor, B., Williamson, K.E., et al. 2015 Astrophysical Journal 813

51 (14 pages)



A Multi-wavelength Polarimetric Study of the Blazar CTA102 during a Gamma-ray Flare in 2012 Casadio, C., Gomez, J.L., Jorstad, S.G., Marscher, A.P., ... , Bala, V., Joshi, M., Taylor, B., Williamson, K.E., et al. 2015 Astrophysical Journal 813

51 (14 pages)



Discovery of a Highly Polarized Optical Microflare in Blazar S5 0716+714 during the 2014 WEBT Campaign Bhatta, G., ..., Jorstad, S., ..., Marscher, A.P., et al. 2015 Astrophysical Journal 809

L27 (6 pages)



The connection between the radio jet and the gamma-ray emission in the radio galaxy 3C 120 Casadio, C., Gomez, J.L., Grandi, P., Jorstad, S.G., Marscher, A.P., Lister, M.L., Kovalev, Y.Y., Savolainen, T., & Pushkarev, A.B. 2015 Astrophysical Journal 808

162 (11 pages)



Multiwavelength behaviour of the blazar OJ 248 from radio to gamma-rays Carnerero, M.I., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2015 Monthly Notices of the Royal Astronomical Society 450

2677-2691



Through the Ring of Fire: Gamma-Ray Variability in Blazars by a Moving Plasmoid Passing a Local Source of Seed Photons MacDonald, N.R., Marscher, A.P., Jorstad, S.G., & Joshi, M. 2015 Astrophysical Journal TBD in press (11 pages)


Unprecedented Study of the Broadband Emission of Mrk 421 during Flaring Activity in March 2010 Aleksic, J., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2015 Astronomy & Astrophysics TBD

(29 pages)



Probing the Parsec-Scale Accretion Flow of 3C 84 with Millimeter Polarimetry Plambeck, R.L., Bower, G.C., Rao, R., Marrone, D.P., Jorstad, S.G., Marscher, A.P., Doeleman, S.S., Fish, V.L., & Johnson, M.D. 2014 Astrophysical Journal 797 66 (6 pages)


Jet Outflow and Gamma-ray Emission Correlations in S5 0716+714 Rani, B., Krichbaum, T. P., Marscher, A. P., Jorstad, S. G., Hodgson, J. A., Fuhrmann, L., & Zensus, J. A. 2014 Astronomy & Astrophysics 571

L2 (5 pages)



Very Long Baseline Polarimetry and the Gamma-ray Connection in Markarian 421 during the Broadband Campaign in 2011 Lico, R., Giroletti, M. Orienti, M., Giovannini, G., Gomez, J.L., Casadio, C., D'Ammando, F., Blasi, M.G., Cotton, W., Edwards, P.G., Fuhrmann, L., Jorstad, S., Kino, M., Kovalev, Y.Y., Krichbaum, T.P., Marscher, A.P., Paneque, D., Piner,G., & Sokolovsky, K. 2014 Astronomy & Astrophysics 571

A54 (13 pages)



The Connection between the Parsec-scale Radio Jet and Gamma-ray Flares in the Blazar 1156+295 Ramakrishnan, V., Leon-Tavares, J., Rastorgueva-Foi, E.A., Wiik, K. Jorstad, S. G.; Marscher, A. P., et al. 2014 Monthly Notices of the Royal Astronomical Soclety 445

1636-1646



The Outburst of the Blazar S4 0954+658 in 2011 March-April Morozova, D.A., Larionov, V.M., Troitsky, I.S., Jorstad, S.G., Marscher, A.P., Gomez, J.L., Blinov, D.A., Efimova, N.V., Hagen-Thorn, V.A., Hagen-Thorn, E. I., Joshi, M., Konstantinova, T.S., Kopatskaya, E.N., Larionova, L.V., Larionova, E.G., Lahteenmaki, A., Tammi, J., Rasorgueva-Foi, E., McHardy, I.M., Tornikoski, M., Agudo, I., Casadio, C., Molina, S.N., Volvach, A.E., & Volvach, L.N. 2014 Astronomical Journal 148 42 (9 pages)


MAGIC Gamma-ray and Multi-frequency Observations of Flat Spectrum Radio Quasar PKS 1510-089 in Early 2012 Aleksic, J., ..., Jorstad, S., Marscher, A., et al. 2014 Astronomy & Astrophysics 569

A46 (21 pp)



Comprehensive Monitoring of Gamma-ray Bright Blazars. I. Statistical Study of Optical, X-ray, and Gamma-ray Spectral Slopes Williamson, K.E., Jorstad, S.G., Marscher, A.P., Larionov V.M., Smith, P.S., Agudo, I., Arkharov, A.A., Blinov, D.A., Casadio, C., Efimova, N.V., Gomez, J.L., Hagen-Thorn, V.A., Joshi, M., Konstantinova, T.S., Kopatskaya, E.N., Larionova, E.G., Larionova, L.V., Malmrose, M.P., McHardy. I.M., Molina, S.N., Morozova, D.A., Schmidt, G.D., Taylor, B.W., & Troitsky, I.S. 2014 Astrophysical Journal 789 135 (20 pages)


MAGIC observations and multifrequency properties of the Flat Spectrum Radio Quasar 3C 279 in 2011 Aleksic, J., ..., Marscher, A., & Jorstad, S. 2014 Astronomy & Astrophysics 567

A41 (15 pp)



The Awakening of BL Lacertae: Observations by Fermi, Swift and the GASP-WEBT Raiteri, C., ..., Agudo, I., ..., Jorstad, S.G., Joshi, M., ..., Marscher, A.P., ..., Taylor, B., et al. 2013 Monthly Notices of the Royal Astronomical Soclety 436

1530-1545



The TeV Blazar Markarian 421 at the Highest Spatial Resolution Blasi, M. G., Lico, R., Giroletti, M., Orienti, M., Giovannini, G., Cotton, W., Edwards, P. G., Fuhrmann, L., Krichbaum, T. P., Kovalev, Y. Y., Jorstad, S.G., Marscher, A.P., Kino, M., Paneque, D., Perez-Torres, M. A., Piner, B. G., & Sokolovsky, K. V. 2013 Astronomy & Astrophysics 559

A75 (11 pp)



A Tight Connection between Gamma-Ray Outbursts and Parsec-Scale Jet Activity in the Quasar 3C 454.3 Jorstad, S.G., Marscher, A.P., Smith, P.S., Larionov, V.M., Agudo, I., Gurwell, M., Wehrle, A.E., Lahteenmaki, A., Nikolashvili, M.G., Schmidt, G.D., Arkharov, A.A., Blinov, D.A., Blumenthal, K., Casadio, C., Chigladze, R.A., Efimova, N.V., Eggen, J.R., Gomez, J.L., Grupe, D., Hagen-Thorn, V.A., Joshi, M., Kimeridze, G.N., Konstantinova, T.S., Kopatskaya,E.N., Kurtanidze, O.M., Kurtanidze, S.O., Larionova, E.G., Larionova, L.V., Lorand, S.A., MacDonald, N.R., Maune, J.D., McHardy, I.M., Miller, H.R., Molina, S.N., Morozova, D.A., Scott, T., Taylor, B., Tornikoski, M., Troitsky, I.S.,Thum, , C., Walker, G., Williamson, K.E., Sallum, S., Consiglio, S., & Strelnitski, V. 2013 Astrophysical Journal 773 147 (27 pages)


An X-Ray View of the Jet-Cycle in the Radio Loud AGN 3C120 Lohfink, A.M., Reynolds, C.S., Jorstad, S.G., Marscher, A.P., Miller, E.D., Aller, H., Aller, M.F., Brenneman, L.W., Fabian, A.C., Miller, J.M., Mushotzky, R.F., Nowak, M.A., & Tombesi, F. 2013 Astrophysical Journal 772 83 (13 pages)


Polarization Structure in the Core of 1803+784: A Signature of Recollimation Shocks? Cawthorne, T.V., Jorstad, S.G., & Marscher, A.P. 2013 Astrophysical Journal 772 14 (10 pages)


Fine-scale Structure of the Quasar 3C 279 Measured with 1.3 mm Very Long Baseline Interferometry Lu, R.-S., ...,Jorstad, S.G., ...,Marscher, A.P., et al. 2013 Astrophysical Journal 772 13 (10 pages)


The Outburst of the Blazar S5 0716+71 in 2011 October: Shock in a Helical Jet Larionov, V.M., Jorstad, S.G., Marscher, A.P., Morozova, D.A., Blinov, D.A., Hagen-Thorn, V.A., Konstantinova, T.S., Kopatskaya, E.N., Larionova, L.V., & Larionova, E.G. 2013 Astrophysical Journal 768 40 (9 pages)


Rapid TeV Gamma-Ray Flaring of BL Lacertae Arlen T., ..., Jorstad, S.G., MacDonald, N.R., Marscher, A.P., et al. 2013 Astrophysical Journal 762 92 (13 pp)


Multiwavelength Variations of 3C 454.3 during the 2010 November to 2011 January Outburst Wehrle, A.E., Marscher, A.P., Jorstad, S.G., Gurwell, M.A., Joshi, M., MacDonald, N.R., Williamson, K.E.; Agudo, I., & Grupe, D. 2012 Astrophysical Journal 758 72 (21 pp)


VLBA monitoring of Mrk 421 at 15 GHz and 24 GHz during 2011 Lico, R., Giroletti, M., Orienti, M., Giovannini, G,; Cotton, W., Edwards, P.G,; Fuhrmann, L., Krichbaum, T.P., Sokolovsky, K.V., Kovalev, Y.Y., Jorstad, S., Marscher, A., Kino, M,; Paneque, D., Perez-Torres, M.A., & Piner, G. 2012 Astronomy & Astrophysics 545

A117 (8 pp)



Variability of the Blazar 4C 38.41 (B3 1633+382) from GHz Frequencies to GeV Energies Raiteri, C., ..., Jorstad, S.G., Joshi, M., ..., Agudo, I., ..., Blumenthal, K., ... , Marscher, A.P., ..., Taylor, B., et al. 2012 Astronomy & Astrophysics 545 A48 (19 pp)


The structure and emission model of the relativistic jet in the quasar 3C 279 inferred from radio to high-energy gamma-ray observations in 2008-2010 Hayashida, M., ..., Agudo, I., ..., Blumenthal, K., ... , Jorstad, S.G., Joshi, M., ..., Marscher, A.P., ..., Taylor, B., et al. 2012 Astrophysical Journal 754 114 (22 pp)


Comparison of Ejection Events in the Jet and Accretion Disc Outflows in 3C 111 Tombesi, F., Sambruna, R. M., Marscher, A. P., Jorstad, S. G., Reynolds, C. S., & Markowitz, A. 2012 Monthly Notices of the Royal Astronomical Soclety 424 754-761


Relativistic Outflow Drives Gamma-ray Emission in 3C 345 Schinzel, F.K., Lobanov, A.P., Taylor, G.B., Jorstad, S.G., Marscher, A.P., & Zensus, J.A. 2012 Astronomy & Astrophysics 537 A70 (9 pp)


Erratic Jet Wobbling in the BL Lacertae Object OJ287 Revealed by Sixteen Years of 7 mm VLBA Observations Agudo, I., Marscher, A.P., Jorstad, S.G., Gomez, J.L., Perucho, M., Piner, B.G., Rioja, M., & Dodson, R. 2012 Astrophysical Journal 747 60 (10 pp)


The Long-lasting Activity of 3C 454.3. GASP-WEBT and Satellite Observations in 2008-2010 Raiteri, C.M.,...,Jorstad, S.G.,...,Marscher, A.P., et al. 2011 Astronomy & Astrophysics 534 A87 (16 pp)


Identification of Gamma-ray Emission from 3C 345 and NRAO512 Schinzel, F.K., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2011 Astronomy & Astrophysics 532 A150 (11 pp)


Multi-Frequency Observations of Gamma-Ray Blazar 1633+382 Jorstad, S.G., Marscher, A.P., Agudo, I., Smith, P.S., Larionov, V.M., & Lahteenmaki, A. 2011 Journal of Astrophysics & Astronomy 32 239-242


Multi-Waveband Emission Maps of Blazars Marscher, A.P., Jorstad, S.G., Larionov, V.M., Aller, M.F., & Lahteenmaki, A. 2011 Journal of Astrophysics & Astronomy 32 233-237


On the Location of the Gamma-ray Outburst Emission in the BL Lacertae Object AO 0235+164 through Observations across the Electromagnetic Spectrum Agudo, I., Marscher, A.P., Jorstad, S.G., Larionov, V.M., Gomez, J.L., Lahteenmaki, A., Smith, P.S., Nilsson, K., Readhead, A.C.S., Aller, M., Heidt, J. Gurwell, M., Thum, C., Wehrle, A.E., Nikolashvili, M.G., Aller, H.D., Benitez, E., Blinov, D., Hagen-Thorn, V.A., Hinart, D., Jannuzi, B.T., Joshi, M., Kimeridze, G.N., Kurtanidze, O.M., Kurtanidze, S.O., Lindfors, E., Molina, S., Morozova, D.A., Olmstead, A.R., Teinthal, R., Roca-Sogorb, M., Schmidt, G.D., Sigua, L.A., Sillanpaa, A., Takalo, L., Taylor, B., Tornikoski, M., Troitsky, I.S., Zook, A.C., & Wiesemeyer, H. 2011 Astrophysical Journal Letters 735 L10 (7 pp)


Multiwavelength Observations of the Gamma-Ray Blazar PKS 0528+134 in Quiescence Palma, N.I., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2011 Astrophysical Journal 735 60 (18 pp)


Connection between the Accretion Disk and Jet in the Radio Galaxy 3C 111 Chatterjee, R., Marscher, A.P., & Jorstad, S.G., Markowitz, A., Rivers, E., Rothschild, R.E., McHardy, I.M., Aller, M.F., Aller, H.D., Lahteenmake, A., Tornikoski, M., Harrison, B., Agudo, I., Gomez, J.L., Taylor, B.W., & Gurwell, M. 2011 Astrophysical Journal 734 43 (16 pp)


On the Source of Faraday Rotation in the Jet of the Radio Galaxy 3C120 Gomez, J.L., Roca-Sogorb, M., Agudo, I., Marscher, A.P., & Jorstad, S.G. 2011 Astrophysical Journal 733 11 (12 pp)


Emission from Hot Dust in the Infrared Spectra of Gamma-ray Bright Blazars

Malmrose, M.P., Marscher, A.P., Jorstad, S.G., Nikutta, R., &Elitzur, M. 2011 Astrophysical Journal 732 116 (8 pp)


AGILE detection of extreme gamma-ray activity from the blazar PKS 1510-089 during March 2009. Multifrequency analysis D'Ammando, F., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2011 Astronomy & Astrophysics 529 A145 (12 pp)


The Megaparsec-Scale X-ray Jet of the BL Lac Object OJ287 Marscher, A.P., & Jorstad, S.G. 2011 Astrophysical Journal 728 26 (8 pp)


Location of Gamma-ray Flare Emission in the Jet of the BL Lacertae Object OJ287 more than 14 pc from the Central Engine Agudo, I., Jorstad, S.G., Marscher, A.P., Larionov, V.M., Gomez, J.L., Lahteenmaki, A., Gurwell, M., Smith, P.S., Wiesemeyer, H., Thum, C., Heidt, J., Blinov, D.A., D'Arcangelo, F.D., Hagen-Thorn, V.A., Morozova, D.A., Nieppola, E., Roca-Sogorb, M., Schmidt, G.D., Taylor, B., Tornikoski, M., & Troitsky, I.S. 2011 Astrophysical Journal Letters 726 L13 (6 pp)


Multi-wavelength Observations of the Flaring Gamma-ray Blazar 3C 66A in 2008 October Abdo, A.A., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2011 Astrophysical Journal 726 43 (14 pp)


Another Look at the BL Lacertae Flux and Spectral Variability Raiteri, C.M., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2010 Astronomy & Astrophysics 524 A43 (12 pp)


The Spectral Energy Distribution of Fermi Bright Blazars Abdo, A.A., ..., Jorstad, S.G., ..., Marscher, A.P., et al. 2010 Astrophysical Journal 716 30-70


Flaring Behavior of the Quasar 3C 454.3 across the Electromagnetic Spectrum Jorstad, S.G., Marscher, A.P., Larionov, V.M., Agudo, I., Smith, P.S., Gurwell, M., Lahteenmaki, A., Tornikoski, M., Markowitz, A., Arkharov, A.A., Blinov, D.A., Chatterjee, R., D'Arcangelo, F.D., Falcone, A.D., Gomez, J.L., Hagen-Thorn, V.A., Jordan, B., Kimeridze, G.N., Konstantinova, T.S., Kopatskaya, E.N., Kurtanidze, O., Larionova, E.G., Larionova, L.V., McHardy, I.M., Melnichuk, D.A., Roca-Sogorb, M., Schmidt, G.D., Skiff, B., Taylor, B., Thum, C., Troitsky, I.S., & Wiesemeyer, H. 2010 Astrophysical Journal 715 362-384


Unexpected High Brightness Temperature 140 pc from the Core in the Jet of 3C 120 Roca-Sogorb, M., Gomez, J.L., Agudo, I., Marscher, A.P., & Jorstad, S.G. 2010 Astrophysical Journal Letters 712 L160-L164


Multiwavelength Observations of 3C 454.3. III. Eighteen Months of Agile Monitoring of the "Crazy Diamond" Vercellone, S.,...,Jorstad, S.G.,...,Marscher, A.P., et al. 2010 Astrophysical Journal 712 405-420


A change in the optical polarization associated with a gamma-ray flare in the blazar 3C 279 Abdo, A.,...,Jorstad, S.G.,...,Marscher, A.P., et al. 2010 Nature 463 919-923


Probing the Inner Jet of the Quasar PKS 1510-089 with Multi-waveband Monitoring during Strong Gamma-ray Activity Marscher, A.P., Jorstad, S.G., Larionov, V.M., Aller, M.F., Aller, H.D., Lahteenmaki, A., Agudo, I., Smith, P.S., Gurwell, M., Hagen-Thorn, V.A., Konstantinova, T.S., Larionoa, E.G., Larionova, L.V., Melnichuk, D.A., Blinov, D.A., Kopatskaya, E.N., Troitsky, I.S., Tornikoski, M., Hovatta, T., Schmidt, G.D., D'Arcangelo, F.D., Bhatterai, D., Taylor, B., Olmstead, A.R., Manne-Nicholas, E., Roca-Sogorb, M., Gomez, J.L., McHardy, I.M., Kurtanidze, O., Nikolashvili, M.G., Kimeridze, G.N., & Sigual, L.A. 2010 Astrophysical Journal Letters 710 L126-L131


Structural Peculiarities of the AGN Object 1803+784 Matveenko, L.I., Sivakon', S.S., Jorstad, S.G., & Marscher, A.P. 2010 Astronomy Letters 36 151-166


AGILE detection of a rapid gamma-ray flare from the blazar PKS 1510-089 during the GASP-WEBT monitoring D'Ammando, F.,...,Jorstad, S.G.,...,Marscher, A.P., et al. 2009 Astronomy & Astrophysics 508 181-189


Disk-Jet Connection in the Radio Galaxy 3C 120 Chatterjee, R., Marscher, A.P., Jorstad, S.G., Olmstead, A.R., McHardy, I.M., Aller, M.F., Aller, H.D., Lahteenmaki, A., Tornikoski, M., Hovatta, T., Marshall, K., Miller. H.R., Ryle. W.T., Chicka, B., Benker, A.J., Bottorff, M.C., Brokofsky, D., Campbell, J.S., Chonis, T.S, Gaskell, C.M., Gaynullina, E.R., Grankin, K.N., Hedrick, C.H., Ibrahimov, M.A., Klimek, E.S., Kruse, A.K., Masatoshi, S., Mille, T.R., Pan, H.-J., Petersen, E.A., Peterson, B.W., Shen, Z., Strel’nikov, D.V., Tao, J., Watkins, A.E., & Wheeler, K. 2009 Astrophysical Journal 704 1689-1703


WEBT multiwavelength monitoring and XMM-Newton observations of BL Lacertae in 2007-2008. Unveiling different emission components Raiteri, C.M., ... , Jorstad, S.G., ... , Marscher, A.P., et al. 2009 Astronomy & Astrophysics 507 769-779


Color Variations of the Blazar 3C 454.3 in 2004-2006 Hagen-Thorn, V.A., Efimova, N.V., Larionov, V.M., Raiteri, C.M., Villata, M., Arkharov, A.A., Hagen-Thorn, E.I., Gomez, C.A., Jorstad, S. G., Larionova, L. V., Takalo, L. O., & Sillanpaa, A. 2009 Astronomy Reports 53 510-518


Synchronous Optical and Radio Polarization Variability in the Blazar OJ287 D'Arcangelo, F.D., Marscher, A.P., Jorstad, S.G., Smith, P.S., Larionov, V.M., Hagen-Thorn, V.A., Williams, G.G., Gear, W.K., Clemens, D.P., Sarcia, D., Grabau, A., Tollestrup, E.V., & Dunham, E. 2009 Astrophysical Journal 697 985-995


The GASP-WEBT Monitoring of 3C 454.3 during the 2008 Optical-to-Radio and Gamma-ray Outburst Villata, M.,...,Jorstad, S.G.,...,Marscher, A.P., et al. 2009 Astronomy & Astrophysics 504 L9-L12


Multiwavelength Variability of the Broad Line Radio Galaxy 3C 120 Marshall, K., Ryle, W.T., Miller, H.R., Marscher, A.P., Jorstad, S.G., Chicka, B., & McHardy, I.M. 2009 Astrophysical Journal 696 601-607


The Correlated Optical and Radio Variability of BL Lacertae. WEBT Data Analysis 1994-2005 Villata, M.,...,Jorstad, S.G.,...,Marscher, A.P., et al. 2009 Astronomy & Astrophysics 501 455-460


Results of WEBT, VLBA, and RXTE Monitoring of 3C 279 during 2006-07 Larionov, V.M., Jorstad, S.G., Marscher, A.P., et al. 2008 Astronomy & Astrophysics 492 389-400




A New Activity Phase of the Blazar 3C 454.3. Multifrequency Observations by the WEBT and XMM-Newton in 2007-2008 Raiteri, C.M.,...,Jorstad, S.G.,...,Marscher, A.P., et al. 2008 Astronomy & Astrophysics 491 755-766


Correlated Multi-Waveband Variability in the Blazar 3C 279 from 1996 to 2007 Chatterjee, R., Jorstad, S.G., Marscher, A.P., Oh, H., McHardy, I.M., Aller, M.F., Aller, H.D., Balonek, T.J., Miller, H.R., Ryle, W.T., Tosti, G., Kurtanidze, O., Nikolashvili, M., Larionov, V.M., & Hagen-Thorn, V.A. 2008 Astrophysical Journal 689 79-94


The High Activity of 3C 454.3 in Autumn 2007. Monitoring by the WEBT during the AGILE Detection Raiteri, C.M.,...,Jorstad, S.G.,...,Marscher, A.P., et al. 2008 Astronomy & Astrophysics 485 L17-L20


Faraday Rotation and Polarization Gradients in the Jet of 3C 120: Interaction with the External Medium versus a Helical Magnetic Field Gomez, J.L, Marscher, A.P., Jorstad, S.G., Agudo, I., & Roca-Sogorb, M. 2008 Astrophysical Journal Letters 681 L69-L72


The Inner Jet of an Active Galactic Nucleus as Revealed by a Radio to Gamma-ray Outburst Marscher, A.P., Jorstad, S.G., D'Arcangelo, F.D., Smith, P.S., Williams, G.G., Larionov, V.M., Oh, H., Olmstead, A.R., Aller, M.F., Aller, H.D., McHardy, I.M., Lahteenmaki, A., Tornikoski, M., Valtaoja, E., Hagen-Thorn, V.A., Kopatskaya. E.N., Gear, W.K., Tosti, G., Kurtanidze, O., Nikolashvili, M., Sigua, L., Miller, H.R. & Ryle, W.T. 2008 Nature 452 966-969



The Outburst of the Blazar AO 0235+164 in 2006 December: Shock-in-Jet Interpretation Hagen-Thorn, V.A., Larionov, V.M., Jorstad, S.G., Arkharov, A.A., Hagen-Thorn, E.I., Efimova, N.V., Larionova, L.V., & Marscher, A.P. 2008 Astrophysical Journal 672 40-47



Multiwaveband Polarimetric Observations of 15 Active Galactic Nuclei at High Frequencies: Correlated Polarization Behavior

Online version with full tables

Jorstad, S.G., Marscher, A.P., Stevens, J.A., Smith, P.S., Forster, J.R., Gear, W.K., Cawthorne, T.V., Lister, M.L., Stirling, A.M., Gomez, J.L., Greaves, J.S. & Robson, E.I. 2007 Astronomical Journal 134 799-824



Search for Electron-Positron Annihilation Radiation from the Jet in 3C 120 Marscher, A.P., Jorstad, S.G., Gomez, J.L., McHardy, I.M., Krichbaum, T.P. & Agudo, I. 2007 Astrophysical Journal 665 232-236


Rapid Multiwaveband Polarization Variability in the Quasar PKS 0420-014: Optical Emission from the Compact Radio Jet D'Arcangelo, F.D., Marscher, A.P., Jorstad, S.G., Smith, P.S., Larionov, V.M., Hagen-Thorn, V.A., Kopatskaya, N., Williams, G.G., & Gear, W.K. 2007 Astrophysical Journal Letters 659 L107-L110


Frequency-dependent time delays for strong outbursts in selected blazars from the Metsähovi and UMRAO monitoring databases. II. Pyatunina, T.B., Kudryavtseva, N.A., Gabuzda, D.C., Jorstad, S.G., Aller, M.F., Aller, H.D., & Teräsranta, H. 2007 Monthly Notices of the Royal Astronomical Society 381 797-808


Frequency-dependent time delays for strong outbursts in selected blazars from the Metsähovi and UMRAO monitoring databases. I. Pyatunina, T.B., Kudryavtseva, N.A., Gabuzda, D.C., Jorstad, S.G., Aller, M.F., Aller, H.D., & Teräsranta, H. 2006 Monthly Notices of the Royal Astronomical Society 373 1470-1482


Structure and Flux Variability in the VLBI Jet of BL Lacertae during the WEBT Campaigns (1995--2004) Bach, U., Villata, M., Raiteri, C.M., Agudo, I., Aller, H.D., Aller, M.F., Denn, G., Gomez, J.L., Jorstad, S., Marscher, A., Mutel, R.L., & Terasranta, H. 2006 Astronomy & Astrophysics 456 105-115


The Unprecedented Optical Outburst of the Quasar 3C 454.3. The 2004-2005 WEBT Campaign Villata, M.,…, Jorstad, S.G.,…, Marscher, A.P., et al. ((88 authors) 2006 Astronomy & Astrophysics 453 817-822


The Milliarcsecond-Scale Jet of PKS 0735+178 during Quiescence Agudo, I., Gomez, J.L., Gabuzda, D.C., Marscher, A., Jorstad, S.G., & Alberdi, A. 2006 Astronomy & Astrophysics 453 477-486


Polarimetric Observations of 15 Active Galactic Nuclei at High Frequencies: Jet Kinematics from Bimonthly Monitoring with the Very Long Baseline Array

Online version with full Table 5

Jorstad, S.G., Marscher, A.P., Lister, M.L., Stirling, A.M., Cawthorne, T.V., Gear, W.K., Gomez, J.L., Stevens, J.A., Smith, P.S., Forster, J.R., & Robson, E.I. 2005 Astronomical Journal 130 1418-1466



The Highly Relativistic Kiloparsec-Scale Jet of the Gamma-Ray Quasar 0827+243 Jorstad, S.G., & Marscher, A.P. 2004 Astrophysical Journal 614 615-625



Change in Speed and Direction of the Jet near the Core in the Quasar 3C 279 Jorstad, S.G., Marscher, A.P., Lister, M.L., Stirling, A.M., Cawthorne, T.V., Gomez, J.L., & Gear, W.K. 2004 Astronomical Journal 127 3115-3120



Coordinated Multiwavelength Observations of BL Lacertae in 2000 Bottcher, M., Marscher, A.P., ..., Jorstad, S.G., et al. 2003 Astrophysical Journal 596 847-859



Discovery of a Precessing Jet Nozzle in BL Lacertae Stirling, A.M., Cawthorne, T.V., Stevens, J.A., Jorstad, S.G., Marscher, A.P., Lister, M.L., Gomez, J.L., Smith, P.S., Agudo, I., Gabuzda, D.C., Robson, E.I., & Gear, W.K. 2003 Monthly Notices of the Royal Astronomical Society 341 405-422



Connections between Millimetre Continuum Variations and VLBI Structure in 27 AGN Savolainen, T., Wiik, K., Valtaoja, E., Jorstad, S.G., & Marscher, A.P. 2002 Astronomy & Astrophysics 394 851-861



Periodic Component in the Variations of Brightness and Polarization of BL Lac Hagen-Thorn, V.A., Larionov, V.M., Jorstad, S.G., & Larionova, E.G. 2002 Astronomical Journal 124 3031-3034



High-Frequency VLBA Total and Polarized Intensity Images of Gamma-Ray Bright Blazars Marscher, A.P., Jorstad, S.G., Mattox, J.R., & Wehrle, A.E. 2002 Astrophysical Journal 577 85-97



Observational Evidence for the Accretion-Disk Origin for a Radio Jet in an Active Galaxy Marscher, A.P., Jorstad, S.G., Gomez, J.L., Aller, M.F., Terasranta, H., Lister, M.L., & Stirling, A.M. 2002 Nature 417 625-627



The WEBT BL Lacertae Campaign 2000 Villata, M., ..., Jorstad, S.G., et al. 2002 Astronomy & Astrophysics 390 407-421



Analysis of Long-Term Polarization Behaviour of BL Lac Hagen-Thorn, V.A., Larionova, E.G., Jorstad, S.G., Bjornsson, C.-I., & Larionov, V.M. 2002 Astronomy & Astrophysics 385 55-61



Monthly 43 GHz VLBA Polarimetric Monitoring of 3C 120 over 16 Epochs: Evidence for Trailing Shocks in a Relativistic Jet Gomez, J.L., Marscher, A.P., Alberdi, A., Jorstad, S.G., & Agudo, I. 2001 Astrophysical Journal Letters 561 L161-164



Multi-Epoch VLBA Observations of EGRET-Detected Quasars and BL Lac Objects: Connection between Superluminal Ejections and Gamma-Ray Flares in Blazars Jorstad, S.G., Marscher, A.P., Mattox, J.R., Aller, M.F., Aller, H.D., Wehrle, A.E., & Bloom, S.D 2001 Astrophysical Journal 556

738-748




Multi-Epoch VLBA Observations of EGRET-Detected Quasars and BL Lac Objects: Superluminal Motion of Gamma-Ray Bright Blazars Jorstad, S.G., Marscher, A.P., Mattox, J.R., Wehrle, A.E., Bloom, S.D, & Yurchenko, A.V. 2001 Astrophysical Journal Supplement 134 181-240



Analysis of Multicolor Observations of 3C 66A in 1993-1998 Hagen-Thorn, V.A., Hagen-Thorn, A.V., Jorstad, S.G., Takalo, L.O., Sillanpaa, A., Pursimo, T., & Boltwood, P. 2001 Astrophysics 44 283-291



Gamma-Ray Flare of Quasar CTA 26 Mattox, J.R., Hallum, J.C., Marscher, A.P., Jorstad, S.G., Waltman, E.B., Terasranta, H., Aller, H.D., & Aller, M.F. 2001 Astrophysical Journal 549 906-914



Analysis of the Color Variability of BL Lac in the Visible Range during the 1997 Outburst Hagen-Thorn, V.A., Hagen-Thorn, A.V., Marchenko, S.G, & Mikolaychuk, O.V. 2000 Astrophysics 43 129-135



Intensive Monitoring of OJ 287 Pursimo, T., ..., Marchenko, S., et al. 2000 Astronomy & Astrophysics Supplement 146 141-156



Flashing Superluminal Components in the Jet of the Radio Galaxy 3C 120 Gomez, J.L., Marscher, A.P., Alberdi, A., Jorstad, S.G., & Garcia-Miro, C. 2000 Science 289 2317-2320



Radio Variability of the Gamma-Ray Blazar 0202+149 Pyatunina, T.B., Marchenko, S.G., Marscher, A.P., Aller, M.F., Aller, H.D., Terasranta, H., & Valtaojo, E. 2000 Astronomy & Astrophysics 358 451-461



Parsec-Scale Jet Behavior of NRAO 190 after a Gamma-Ray Outburst in August 1994 Yurchenko, A.V., Marchenko-Jorstad, S.G, & Marscher, A.P. 2000 Astronomy & Astrophysics 358 428-432



Photometry and Polarimetry of Active Galactic Nuclei Hagen-Thorn, V.A. and Marchenko, S.G 1999 Baltic Astronomy 8 575-592



The Variable Sources Responsible for the Photometric Behavior of OJ 287 in the IR-Optical-UV Region during 1993--1996 Hagen-Thorn, V.A., Marchenko, S.G., Takalo, L.O., Silanpaa, A., Pursimo, T., Boltwood, P., Kidger, M., & Gonzalez-Perez, J.N. 1998 Astronomy & Astrophysics Supplement 133 353-359



On the Possible Fractal Nature of Blazar Light Curves Marchenko, S.G., & Hagen-Thorn, A.V. 1997 Astrophysics 40 341-348



Search for Periodicity in the Brightness Variations of Active Extragalactic Objects. II. Results for BL Lac and OJ 287 Hagen-Thorn, V.A., Marchenko, S.G., Mikolaychuk, O.V., & Yakovleva, V.A. 1997 Russian Astronomy AJ 74 177-183



Search for Periodicity in the Brightness Variations of Active Extragalactic Objects. I. The Method of Analysis and Results for 3C 120 Hagen-Thorn, V.A., Marchenko, S.G., Mikolaychuk, O.V., & Yakovleva, V.A. 1997 Russian Astronomy AJ 74 5-14



3C 345: The Variable Component Responsible for the Brightness Increase of the Object in the Near-IR and Optical Regions in the Early 1990's Hagen-Thorn, V.A., Marchenko, S.G., Takalo, L.O., & Silanpaa, A. 1996 Astronomy & Astrophysics 306 23-26



Polarimetric Observations of BL Lac Hagen-Thorn, V.A., Marchenko, S.G., Yurchenko, A.V., & Yakovleva, V.A. 1994 Russian Astronomy AJ 71 717-724



Model of a VLF Stochastic Waveguide Lootchenko, S.G., & Marchenko, S.G. 1994 Turkish Journal of Physics 18 1163-1167



Effects of the Large-Scale Precipitation of Relativistic Magnetospheric Electrons during and after the Magnetic Storm of November 27-28, 1990 on the Basis of VLG Data Kischuk, V.P., Marchenko, S.G., & Sokolov, S.N. 1993 Geomagnetism and Aeronomy 33 93-100



Photographic Photometry of Compact Extragalactic Objects. XI. Hagen-Thorn, V.A., Gamm, R.G., Marchenko, S.G., Mikolaychuk, O.V., & Yakovleva, V.A. 1991 Publ. Astron. Obs. Leningrad St. Univ. 43 70-82



Variable Sources in Lacertids: Spectral Energy Distributions in the Optical Region Based on Multicolor Photometry Hagen-Thorn, V.A., Marchenko, S.G., & Mikolaychuk, O.V. 1990 Astrophysics 32 429-435



The Separation of Components of Radiation of Lacertids OQ530 and OI090.4 and Evaluation of Their Redshifts Based on Photometric Data Hagen-Thorn, V.A., Denisenko, N.S., Maximova, T.M., Marchenko, S.G. 1989 Astrophysics 31 231-237



Correlation between Radio and Optical Flux Variations of BL Lac Belov, V.N., Hagen-Thorn, V.A., & Marchenko, S.G. 1989 Astrophysics 30 7-15



Photographic Photometry of Compact Extragalactic Objects. X. Hagen-Thorn, V.A., Denisenko, N.S., Maximova, T.M., Marchenko, S.G., & Mikolaychuk, O.V. 1987 Publ. Astron. Obs. Leningrad St. Univ. 41 96-110



Polarimetric and Photometric Studies of BL Lac: Analysis of Observational Data. II. Hagen-Thorn, V.A., Marchenko, S.G., & Yakovleva, V.A. 1987 Astrophysics 25 485-496



Polarimetric and Photometric Investigations of Two BL Lac Objects Marchenko, S.G. 1987 Astrophysics 22 15-22



Polarimetric and Photometric Studies of BL Lac: Analysis of Observational Data. I. Hagen-Thorn, V.A., Marchenko, S.G., & Yakovleva, V.A. 1985 Astrophysics 22 5-13



Polarimetric and Photometric Investigation of BL Lac: The Results of Observations Hagen-Thorn, V.A., Marchenko, S.G., & Yakovleva, V.A. 1984 Soviet Astronomy - AJ 61 925-934



B2 1101+38 (Mkn 421): Polarization and Photometric Behavior in the Optical during 1974-1982 Hagen-Thorn, V.A., Marchenko, S.G., Smekhacheva, R.I., & Yakovleva, V.A. 1984 Astrophysics 19 199-207



Photographic Photometry of Compact Extragalactic Objects. VIII. Hagen-Thorn, V.A., Gataullina, A.I., Denisenko, N.S., Marchenko, S.G., & Yakovleva, V.A. 1983 Publ. Astron. Obs. Leningrad St. Univ. 38 104-115



Polarization Variability of the Optical Radiation of the Compact Extragalactic Object B2 1418+54 Marchenko, S.G. 1980 Soviet Astronomy Letters 6 564-570



Possible Existence of Periodicity in Brightness Variations of BL Lac Hagen-Thorn, V.A., Perevozchikova, A.I., Jorstad, S.G., & Yakovleva, V.A. 1979 Soviet Astronomy Letters 5 403-405



Photographic Photometry of Compact Extragalactic Objects. VII. Hagen-Thorn, V.A., Perevozchikova, A.I., Skulova, N.M., Jorstad, S.G., & Yakovleva, V.A. 1978 Publ. Astron. Obs. Leningrad St. Univ. 35 52-66



Photographic Photometry of Compact Extragalactic Objects. VI. Hagen-Thorn, V.A., Perevozchikova, A.I., Skulova, N.M., Jorstad, S.G., & Yakovleva, V.A. 1978 Publ. Astron. Obs. Leningrad St. Univ. 34 46-48



Possible Existence of Periodicity in Brightness Variations of BL Lac and OJ 287 Hagen-Thorn, V.A., Perevozchikova, A.I., Jorstad, S.G., & Yakovleva, V.A. 1977 Soviet Astronomy Letters 3 54-59