Svetlana Jorstad (also Svetlana Marchenko): Publications in Scientific Journals
Title
Authors
Year
Journal
Volume
Pages or Article no.
"Orphan" Gamma-ray Flares and Stationary Sheaths of Blazar Jets MacDonald, N.R., Jorstad, S.G., & Marscher, A.P. 2017 Astrophysical Journal
TBD

TBD



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)



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. 2016 Astronomy & Astrophysics TBD

in press



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