3C273 (z = 0.158)

Fermi LAT Gamma-ray flux (in units of 1.E-7 phot/cm^2/s; magenta symbols - upper limits), X-ray flux (Swift XRT, in units of 1.E-11 erg/cm^2/s), and optical light curve and degree and position angle of optical polarization obtained at the Perkins telescope (PTO, Flagstaff, AZ) vs. time.
EpochI-peak (mJy)P-peak (mJy) EVPA (deg.)View ImageDownload I-mapDownload P-mapDownload UV-dataDownload CLEAN Model
16 Feb 2025 43GHz 2325 26.7 -39 I+P PS-file FITS-file PS-file UV-file mod-file
15 Dec 2024 43GHz 1964 35.3 -62 I+P PS-file FITS-file PS-file UV-file mod-file
21 Nov 2024 43GHz 1199 40.3 -83 I+P PS-file FITS-file PS-file UV-file mod-file
14 Oct 2024 43GHz 1555 46.6 -78 I+P PS-file FITS-file PS-file UV-file mod-file
13 Sep 2024 43GHz 1963 31.1 -13 I+P PS-file FITS-file PS-file UV-file mod-file
31 Aug 2024 43GHz 2060 30.8 -38 I+P PS-file FITS-file PS-file UV-file mod-file
3 Aug 2024 43GHz 2020 81.6 -51 I+P PS-file FITS-file PS-file UV-file mod-file
3 Jul 2024 43GHz 1937 26.2 -40 I+P PS-file FITS-file PS-file UV-file mod-file
8 Jun 2024 43GHz 2431 25.2 -43 I+P PS-file FITS-file PS-file UV-file mod-file
25 May 2024 43GHz 2231 28.1 -71 I+P PS-file FITS-file PS-file UV-file mod-file
22 Mar 2024 43GHz 2065 43.1 -25 I+P PS-file FITS-file PS-file UV-file mod-file
25 Feb 2024 43GHz 1210 38.1 -33 I+P PS-file FITS-file PS-file UV-file mod-file
11 Feb 2024 43GHz 1378 45.5 -8 I+P PS-file FITS-file PS-file UV-file mod-file
12 Dec 2023 43GHz 1436 38.7 -12 I+P PS-file FITS-file PS-file UV-file mod-file
25 Nov 2023 43GHz 1276 40.2 -24 I+P PS-file FITS-file PS-file UV-file mod-file
6 Nov 2023 43GHz 1937 75.7 -18 I+P PS-file FITS-file PS-file UV-file mod-file
21 Oct 2023 43GHz 1483 62.9 -29 I+P PS-file FITS-file PS-file UV-file mod-file
13 Oct 2023 43GHz 1880 70.6 -28 I+P PS-file FITS-file PS-file UV-file mod-file
24 Jul 2023 43GHz 1339 61.9 -8 I+P PS-file FITS-file PS-file UV-file mod-file
15 Jul 2023 43GHz 1312 62.0 -12 I+P PS-file FITS-file PS-file UV-file mod-file
1 Jul 2023 43GHz 1871 68.8 -25 I+P PS-file FITS-file PS-file UV-file mod-file
1 Jun 2023 43GHz 2704 94.2 -12 I+P PS-file FITS-file PS-file UV-file mod-file
21 May 2023 43GHz 1670 63.6 -13 I+P PS-file FITS-file PS-file UV-file mod-file
2 Apr 2023 43GHz 1497 68.9 -19 I+P PS-file FITS-file PS-file UV-file mod-file
11 Feb 2023 43GHz 1277 79.2 -8 I+P PS-file FITS-file PS-file UV-file mod-file
6 Dec 2022 43GHz 1479 62.2 8 I+P PS-file FITS-file PS-file UV-file mod-file
20 Nov 2022 43GHz 1600 66.9 -43 I+P PS-file FITS-file PS-file UV-file mod-file
1 Nov 2022 43GHz 1700 67.9 -46 I+P PS-file FITS-file PS-file UV-file mod-file
21 Aug 2022 43GHz 1115 67.6 28 I+P PS-file FITS-file PS-file UV-file mod-file
22 Jul 2022 43GHz 1212 56.7 43 I+P PS-file FITS-file PS-file UV-file mod-file
15 Jul 2022 43GHz 1667 71.3 45 I+P PS-file FITS-file PS-file UV-file mod-file
24 Jun 2022 43GHz 1946 39.6 48 I+P PS-file FITS-file PS-file UV-file mod-file
5 Jun 2022 43GHz 1315 19.7 21 I+P PS-file FITS-file PS-file UV-file mod-file
30 Apr 2022 43GHz 2162 49.5 14 I+P PS-file FITS-file PS-file UV-file mod-file
12 Mar 2022 86GHz 1422 65.1 1 I+P PS-file FITS-file PS-file UV-file mod-file
12 Mar 2022 43GHz 1936 35.9 -4 I+P PS-file FITS-file PS-file UV-file mod-file
20 Feb 2022 43GHz 2240 36.5 -2 I+P PS-file FITS-file PS-file UV-file mod-file
5 Feb 2022 43GHz 2412 27.9 76 I+P PS-file FITS-file PS-file UV-file mod-file
14 Dec 2021 43GHz 5079 88.7 84 I+P PS-file FITS-file PS-file UV-file mod-file
6 Nov 2021 43GHz 3532 109.4 36 I+P PS-file FITS-file PS-file UV-file mod-file
14 Oct 2021 43GHz 3342 174.4 60 I+P PS-file FITS-file PS-file UV-file mod-file
14 Sep 2021 43GHz 2692 114.6 41 I+P PS-file FITS-file PS-file UV-file mod-file
24 Aug 2021 43GHz 3740 73.1 16 I+P PS-file FITS-file PS-file UV-file mod-file
31 July 2021 43GHz 2310 87.0 -11 I+P PS-file FITS-file PS-file UV-file mod-file
5 Jul 2021 86GHz 657 26.8 0 I+P PS-file FITS-file PS-file UV-file mod-file
5 Jul 2021 43GHz 3929 89.5 -43 I+P PS-file FITS-file PS-file UV-file mod-file
28 May 2021 43GHz 2696 65.1 67 I+P PS-file FITS-file PS-file UV-file mod-file
5 Apr 2021 86GHz 10958 434.6 50 I+P PS-file FITS-file PS-file UV-file mod-file
5 Apr 2021 43GHz 4513 50.7 -54 I+P PS-file FITS-file PS-file UV-file mod-file
19 Mar 2021 43GHz 3786 50.7 -25 I+P PS-file FITS-file PS-file UV-file mod-file
22 Jan 2021 86 GHz251255.8-35I+PPS-fileFITS-filePS-fileUV-filemod-file
22 Jan 2021 43 GHz236773.9-41I+PPS-fileFITS-filePS-fileUV-filemod-file
8 Jan 2021 86GHz 1175 66.9 83 I+P PS-file FITS-file PS-file UV-file mod-file
8 Jan 2021 43GHz 2344 36.5 -52 I+P PS-file FITS-file PS-file UV-file mod-file
20 Dec 2020 43GHz 1966 54.1 62 I+P PS-file FITS-file PS-file UV-file mod-file
1 Nov 2020 86 GHz1320110-45I+PPS-fileFITS-filePS-fileUV-filemod-file
1 Nov 2020 43GHz 2302 37.4 -39 I+P PS-file FITS-file PS-file UV-file mod-file
4 Oct 2020 43GHz 3405 86.8 -42 I+PPS-fileFITS-filePS-fileUV-filemod-file
6 Sep 2020 86GHz 1173 41.1 -85 I+P PS-file FITS-file PS-file UV-file mod-file
6 Sep 2020 43GHz 2380 71.9 -13 I+P PS-file FITS-file PS-file UV-file mod-file
7 Aug 2020 43 GHz159155.3-22I+PPS-fileFITS-filePS-fileUV-filemod-file
5 July 2020 43GHz 1220 20.3 -47 I+P PS-file FITS-file PS-file UV-file mod-file
4 June 2020129136.3-45I+PPS-fileFITS-filePS-fileUV-filemod-file
15 May 2020 1345 41.6 -20 I+P PS-file FITS-file PS-file UV-file mod-file
3 May 2020 1411 39.1 -32 I+P PS-file FITS-file PS-file UV-file mod-file
7 Apr 2020163874.7-44I+PPS-fileFITS-filePS-fileUV-filemod-file
27 Feb 20202629102.0-22I+PPS-fileFITS-filePS-fileUV-filemod-file
3 Jan 20204404145.230I+PPS-fileFITS-filePS-fileUV-filemod-file
3 Dec 2019 3611 51.3 76 I+P PS-file FITS-file PS-file UV-file mod-file
3 Nov 2019341388.91I+PPS-fileFITS-filePS-fileUV-filemod-file
19 Oct 2019284250.710I+PPS-fileFITS-filePS-fileUV-filemod-file
6 Oct 20193067114.2-1I+PPS-fileFITS-filePS-fileUV-filemod-file
3 Aug 20195755131.427I+PPS-fileFITS-filePS-fileUV-filemod-file
1 July 20199085243.2-75I+PPS-fileFITS-filePS-fileUV-filemod-file
18 June 20198046194.7-68I+PPS-fileFITS-filePS-fileUV-filemod-file
12 May 2019300352.2-54I+PPS-fileFITS-filePS-fileUV-filemod-file
31 Mar 2019204633.7-53I+PPS-fileFITS-filePS-fileUV-filemod-file
8 Feb 2019144737.6-13I+PPS-fileFITS-filePS-fileUV-filemod-file
3 Feb 2019169125.1-65I+PPS-fileFITS-filePS-fileUV-filemod-file
10 Jan 2019150950.0-7I+PPS-fileFITS-filePS-fileUV-filemod-file
8 Dec 2018192593.022I+PPS-fileFITS-filePS-fileUV-filemod-file
15 Oct 2018307094.544I+PPS-fileFITS-filePS-fileUV-filemod-file
26 Aug 2018494577.5-76I+PPS-fileFITS-filePS-fileUV-filemod-file
16 July 2018522056.2-73I+PPS-fileFITS-filePS-fileUV-filemod-file
16 June 2018489027.1-88I+PPS-fileFITS-filePS-fileUV-filemod-file
11 May 2018480642.9-43I+PPS-fileFITS-filePS-fileUV-filemod-file
19 Apr 20188965117.3-19I+PPS-fileFITS-filePS-fileUV-filemod-file
10 Mar 2018243851.8-15I+PPS-fileFITS-filePS-fileUV-filemod-file
17 Feb 2018166135.5-1I+PPS-fileFITS-filePS-fileUV-filemod-file
23 Dec 2017303579.7-44I+PPS-fileFITS-filePS-fileUV-filemod-file
6 Nov 2017256766.13I+PPS-fileFITS-filePS-fileUV-filemod-file
4 Sep 2017329134.0-61I+PPS-fileFITS-filePS-fileUV-filemod-file
6 Aug 2017326636.1-19I+PPS-fileFITS-filePS-fileUV-filemod-file
3 July 2017485564.1-26I+PPS-fileFITS-filePS-fileUV-filemod-file
8 June 2017455382.3-27I+PPS-fileFITS-filePS-fileUV-filemod-file
13 May 2017325978.4-21I+PPS-fileFITS-filePS-fileUV-filemod-file
16 Apr 2017191469.7-18I+PPS-fileFITS-filePS-fileUV-filemod-file
19 Mar 2017160084.6-20I+PPS-fileFITS-filePS-fileUV-filemod-file
4 Feb 20171802157.5-35I+PPS-fileFITS-filePS-fileUV-filemod-file
14 Jan 20172208130.5-37I+PPS-fileFITS-filePS-fileUV-filemod-file
23 Dec 2016230094.2-49I+PPS-fileFITS-filePS-fileUV-filemod-file
28 Nov 2016143853.2-61I+PPS-fileFITS-filePS-fileUV-filemod-file
23 Oct 2016155441.1-43I+PPS-fileFITS-filePS-fileUV-filemod-file
6 Oct 20164027114-46I+PPS-fileFITS-filePS-fileUV-filemod-file
5 Sep 20163731139-57I+PPS-fileFITS-filePS-fileUV-filemod-file
31 July 20165451205-60I+PPS-fileFITS-filePS-fileUV-filemod-file
4 July 20165021157-55I+PPS-fileFITS-filePS-fileUV-filemod-file
10 June 20166693329-59I+PPS-fileFITS-filePS-fileUV-filemod-file
22 Apr 20169312312-12I+PPS-fileFITS-filePS-fileUV-filemod-file
18 Mar 20168027242-34I+PPS-fileFITS-filePS-fileUV-filemod-file
31 Jan 2016709590-55I+PPS-fileFITS-filePS-fileUV-filemod-file
1 Jan 2016506644-18I+PPS-fileFITS-filePS-fileUV-filemod-file
5 Dec 2015419760-34I+PPS-fileFITS-filePS-fileUV-filemod-file
22 Sep 2015152712416I+PPS-fileFITS-filePS-fileUV-filemod-file
1 Aug 2015347212137I+PPS-fileFITS-filePS-fileUV-filemod-file
2 July 2015473417619I+PPS-fileFITS-filePS-fileUV-filemod-file
9 June 2015633117931I+PPS-fileFITS-filePS-fileUV-filemod-file
11 May 2015665219080I+PPS-fileFITS-filePS-fileUV-filemod-file
12 Apr 2015765222881I+PPS-fileFITS-filePS-fileUV-filemod-file
14 Feb 2015811553-68I+PPS-fileFITS-filePS-fileUV-filemod-file
29 Dec 2014484431-87I+PPS-fileFITS-filePS-fileUV-filemod-file
5 Dec 2014417118-11I+PPS-fileFITS-filePS-fileUV-filemod-file
15 Nov 2014361220-1I+PPS-fileFITS-filePS-fileUV-filemod-file
23 Sep 201416241613I+PPS-fileFITS-filePS-fileUV-filemod-file
28 July 2014139228-82I+PPS-fileFITS-filePS-fileUV-filemod-file
20 June 2014147923-79I+PPS-fileFITS-filePS-fileUV-filemod-file
3 May 2014179719-5I+PPS-fileFITS-filePS-fileUV-filemod-file
25 Feb 2014100527-28I+PPS-fileFITS-filePS-fileUV-filemod-file
20 Jan 201415752844I+PPS-fileFITS-filePS-fileUV-filemod-file
16 Dec 2013186848-44I+PPS-fileFITS-filePS-fileUV-filemod-file
18 Nov 201317226042I+PPS-fileFITS-filePS-fileUV-filemod-file
26 Aug 20139017915I+PPS-fileFITS-filePS-fileUV-filemod-file
28 July 201318241032I+PPS-fileFITS-filePS-fileUV-filemod-file
30 June 201319328133I+PPS-fileFITS-filePS-fileUV-filemod-file
30 May 201329879527I+PPS-fileFITS-filePS-fileUV-filemod-file
17 Apr 20133015719I+PPS-fileFITS-filePS-fileUV-filemod-file
26 Feb 2013340771-45I+PPS-fileFITS-filePS-fileUV-filemod-file
15 Jan 201320182926I+PPS-fileFITS-filePS-fileUV-filemod-file
21 Dec 201222591930I+PPS-fileFITS-filePS-fileUV-filemod-file
28 Oct 20122315253I+PPS-fileFITS-filePS-fileUV-filemod-file
13 Aug 20121663247I+PPS-fileFITS-filePS-fileUV-filemod-file
4 Jul 2012216930-4I+PPS-fileFITS-filePS-fileUV-filemod-file
26 May 201221753743I+PPS-fileFITS-filePS-fileUV-filemod-file
2 Apr 20121983323I+PPS-fileFITS-filePS-fileUV-filemod-file
5 Mar 2012153721-77I+PPS-fileFITS-filePS-fileUV-filemod-file
27 Jan 20122875502I+PPS-fileFITS-filePS-fileUV-filemod-file
2 Dec 2011192910374I+PPS-fileFITS-filePS-fileUV-filemod-file
16 Oct 201122406087I+PPS-fileFITS-filePS-fileUV-filemod-file
16 Sep 2011216752-18I+PPS-fileFITS-filePS-fileUV-filemod-file
23 Aug 2011336182-22I+PPS-fileFITS-filePS-fileUV-filemod-file
21 Jul 2011331464-16I+PPS-fileFITS-filePS-fileUV-filemod-file
12 Jun 201130308412I+PPS-fileFITS-filePS-fileUV-filemod-file
22 May 2011290310036I+PPS-fileFITS-filePS-fileUV-filemod-file
21 Apr 2011309113828I+PPS-fileFITS-filePS-fileUV-filemod-file
1 Mar 201130117317I+PPS-fileFITS-filePS-fileUV-filemod-file
4 Feb 201119645629I+PPS-fileFITS-filePS-fileUV-filemod-file
2 Jan 2011252862-6I+PPS-fileFITS-filePS-fileUV-filemod-file
4 Dec 201023276348I+PPS-fileFITS-filePS-fileUV-filemod-file
24 Oct 201030848648I+PPS-fileFITS-filePS-fileUV-filemod-file
18 Sep 2010450515474I+PPS-fileFITS-filePS-fileUV-filemod-file
21 Aug 2010311460-85I+PPS-fileFITS-filePS-fileUV-filemod-file
1 Aug 2010320280-63I+PPS-fileFITS-filePS-fileUV-filemod-file
14 Jun 20102927123-77I+PPS-fileFITS-filePS-fileUV-filemod-file
19 May 2010429089-86I+PPS-fileFITS-filePS-fileUV-filemod-file
15 Apr 201077411032I+PPS-fileFITS-filePS-fileUV-filemod-file
10 Apr 20108124117-6I+PPS-fileFITS-filePS-fileUV-filemod-file
7 Apr 2010717318342I+PPS-fileFITS-filePS-fileUV-filemod-file
6 Mar 201083376329I+PPS-fileFITS-filePS-fileUV-filemod-file
11 Feb 20101109312027I+PPS-fileFITS-filePS-fileUV-filemod-file
10 Jan 2010999618546I+PPS-fileFITS-filePS-fileUV-filemod-file
28 Nov 2009607225028I+PPS-fileFITS-filePS-fileUV-filemod-file
16 Oct 200936809962I+PPS-fileFITS-filePS-fileUV-filemod-file
16 Sep 2009312410965I+PPS-fileFITS-filePS-fileUV-filemod-file
16 Aug 2009133432-81I+PPS-fileFITS-filePS-fileUV-filemod-file
27 July 2009273262-56I+PPS-fileFITS-filePS-fileUV-filemod-file
21 June 2009306156-83I+PPS-fileFITS-filePS-fileUV-filemod-file
30 May 200954739084I+PPS-fileFITS-filePS-fileUV-filemod-file
01 Apr. 2009896084-63I+PPS-fileFITS-filePS-fileUV-filemod-file
22 Feb. 2009790365-58I+PPS-fileFITS-filePS-fileUV-filemod-file
24 Jan. 2009752781-86I+PPS-fileFITS-filePS-fileUV-filemod-file
21 Dec. 2008326944-84I+PPS-fileFITS-filePS-fileUV-filemod-file
16 Nov. 2008372381-57I+PPS-fileFITS-filePS-fileUV-filemod-file
10 Sep. 20082133118-61I+PPS-fileFITS-filePS-fileUV-filemod-file
16 Aug. 200819349420I+PPS-fileFITS-filePS-fileUV-filemod-file
06 July 2008344990-62I+PPS-fileFITS-filePS-fileUV-filemod-file
12 June 20084523134-49I+PPS-fileFITS-filePS-fileUV-filemod-file
29 Feb. 20084793132-34I+PPS-fileFITS-filePS-fileUV-filemod-file
17 Jan 2008342251-39I+PPS-fileFITS-filePS-fileUV-filemod-file
01 Nov. 20072848155-42I+PPS-fileFITS-filePS-fileUV-filemod-file
29 Sep. 20072688147-15I+PPS-fileFITS-filePS-fileUV-filemod-file
30 Aug. 20072844136-4I+PPS-fileFITS-filePS-fileUV-filemod-file
06 Aug. 20073143 9033I+PPS-fileFITS-filePS-fileUV-filemod-file
12 July 2007571810729I+PPS-fileFITS-filePS-fileUV-filemod-file
14 June 200755401277I+PPS-fileFITS-filePS-fileUV-filemod-file