OJ 287 is a BL Lac object 4 billion light-years from Earth that has produced quasi-periodic optical outbursts going back approximately 120 years, as first...
12 KB (998 words) - 23:56, 15 July 2024
believed to be a common consequence of galactic mergers. The binary pair in OJ 287, 3.5 billion light-years away, contains the most massive black hole in a...
104 KB (11,058 words) - 02:38, 10 December 2024
galaxies, there are even binary systems of supermassive black holes, see the OJ 287 system. Unambiguous dynamical evidence for SMBHs exists only in a handful...
80 KB (5,958 words) - 02:42, 29 December 2024
BL Lac objects. Some examples of BL Lac objects are BL Lacertae itself, OJ 287, AP Librae, PKS 2155-304, PKS 0521-365, Markarian 421, 3C 371, W Comae Berenices...
8 KB (1,019 words) - 06:26, 23 October 2024
EGSD2 J142033.66 525917.5 core black holes — galaxy hosting a dual AGN OJ 287 core black holes — a BL Lac object with a candidate binary supermassive...
19 KB (2,017 words) - 20:37, 21 November 2024
experiment conducted by Edward Fomalont and Sergei Kopeikin in September 2002. OJ 287 is a BL Lacertae object located 3.5 billion light years away that has produced...
27 KB (3,061 words) - 15:04, 28 November 2024
J1118+480 A0620-00 Sagittarius A* Centaurus A Phoenix Cluster PKS 1302-102 OJ 287 SDSS J0849+1114 TON 618 MS 0735.6+7421 NeVe 1 Hercules A 3C 273 Q0906+6930...
436 bytes (41 words) - 16:10, 19 August 2024
galaxy OJ 287 confirmed Albert Einstein's general theory of relativity. M. Valtonen et al. (2008), A massive binary black-hole system in OJ 287 and a test...
2 KB (163 words) - 10:07, 8 April 2021
Andromeda Galaxy, M32, M87, NGC 3115, NGC 3377, NGC 4258, NGC 4889, NGC 1277, OJ 287, APM 08279+5255 and the Sombrero Galaxy. It is now widely accepted that...
166 KB (18,724 words) - 00:29, 28 December 2024
J1118+480 A0620-00 Sagittarius A* Centaurus A Phoenix Cluster PKS 1302-102 OJ 287 SDSS J0849+1114 TON 618 MS 0735.6+7421 NeVe 1 Hercules A 3C 273 Q0906+6930...
8 KB (903 words) - 01:05, 15 September 2024
they eventually merge, but have not been confirmed. For example, quasar OJ 287 is inferred to have a binary supermassive black hole pair with an orbital...
4 KB (333 words) - 16:21, 3 August 2024
J1118+480 A0620-00 Sagittarius A* Centaurus A Phoenix Cluster PKS 1302-102 OJ 287 SDSS J0849+1114 TON 618 MS 0735.6+7421 NeVe 1 Hercules A 3C 273 Q0906+6930...
9 KB (1,055 words) - 22:55, 2 May 2024
J1118+480 A0620-00 Sagittarius A* Centaurus A Phoenix Cluster PKS 1302-102 OJ 287 SDSS J0849+1114 TON 618 MS 0735.6+7421 NeVe 1 Hercules A 3C 273 Q0906+6930...
13 KB (1,667 words) - 02:03, 31 October 2024
J1118+480 A0620-00 Sagittarius A* Centaurus A Phoenix Cluster PKS 1302-102 OJ 287 SDSS J0849+1114 TON 618 MS 0735.6+7421 NeVe 1 Hercules A 3C 273 Q0906+6930...
4 KB (429 words) - 02:09, 29 September 2023
C.; Kidger, M.; et al. (2008), "A massive binary black-hole system in OJ 287 and a test of general relativity", Nature, 452 (7189): 851–853, arXiv:0809...
194 KB (22,629 words) - 23:48, 28 December 2024
J1118+480 A0620-00 Sagittarius A* Centaurus A Phoenix Cluster PKS 1302-102 OJ 287 SDSS J0849+1114 TON 618 MS 0735.6+7421 NeVe 1 Hercules A 3C 273 Q0906+6930...
4 KB (401 words) - 19:22, 22 September 2024
Least separation between binary central black holes, at 24 ly (7.4 pc) OJ 287 has an inferred pair with a 12-year orbital period, and thus would be much...
125 KB (6,263 words) - 16:09, 27 December 2024
computer scientist and amateur astronomer. He monitored the peculiar object OJ 287 for some two years. He also obtained deep-sky CCD images with limiting magnitude...
216 KB (435 words) - 19:42, 18 November 2024
0235+16, PKS 0420−01, PKS 0528+134, S5 0716+71, PKS 0735+17, OJ 248, OJ 49, 4C 71.07, OJ 287, S4 0954+65, Markarian 421, 4C 29.45, ON 231, 3C 273, 3C 279...
26 KB (1,472 words) - 05:35, 10 June 2024
time. However, object must have been named or described. An object like OJ 287 is ignored even though it was detected as early as 1891 using photographic...
144 KB (8,976 words) - 08:17, 10 December 2024
(active galactic nuclei with relativistic jets), including the objects OJ 287 and 3C 66A. His observations were used professional astronomers and he is...
9 KB (951 words) - 02:56, 26 December 2024
"Host galaxies of the optically violently variable quasars PKS 0736+017, OJ 287 and LB 2136". Monthly Notices of the Royal Astronomical Society. 295 (4):...
10 KB (999 words) - 11:48, 22 November 2024
magnitude measures to the British Astronomical Association campaign on Blazar OJ+287. Bowen, Matt (28 October 2009). "Kiwi spots asteroid before NASA". Eastern...
4 KB (348 words) - 11:29, 8 July 2024
"OJ 2010/C 62/02". Official Journal of the European Union. 13 March 2010. Archived from the original on 4 August 2022. Retrieved 11 November 2023. "OJ...
543 KB (7,100 words) - 09:37, 1 January 2025
000 years (as viewed from the Earth). Supermassive black hole NGC 7727 OJ 287 "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2024-05-24. Sbarufatti...
6 KB (508 words) - 06:40, 24 October 2024
Care. 59 (5): 631–636. doi:10.4187/respcare.02640. PMID 24003241. O'Connell OJ (May 2014). "Is extended-release guaifenesin no better than a placebo?". Respir...
17 KB (1,532 words) - 08:54, 22 December 2024
Activos de Galaxias, reported the discovery of the host galaxy for blazar OJ 287. She has worked as a researcher at the UNAM Institute of Astronomy since...
3 KB (192 words) - 04:01, 20 March 2023
of Spain to the Schengen Agreement (OJ L 239, 22.9.2000, p. 69) Protocol 10 to the Treaty of Accession 2003 (OJ L 236, 23 September 2003, p. 955). "COUNCIL...
119 KB (9,909 words) - 00:35, 16 December 2024
(2012–2019) Hyundai i20 (PB) (2008–2011) Hyundai i30 (FD) (2007–2012) Hyundai ix20 (OJ) (2010–2019) Kia Cee'd (ED) (2006–2012) Kia Forte/Cerato (TD) (2008–2012)...
15 KB (1,267 words) - 04:17, 24 November 2024
in Visual Awareness" (PDF). Science. 287 (5460): 2036–2038. Bibcode:2000Sci...287.2036E. doi:10.1126/science.287.5460.2036. PMID 10720334. Archived from...
12 KB (1,349 words) - 06:43, 11 January 2024