3C 286

3C 286, also known by its position as 1328+307 (B1950 coordinates) is a quasar[3] at redshift 0.8493 with a radial velocity of 164,137 km/s.[4] It is part of the Third Cambridge Catalogue of Radio Sources.

3C 286
Quasar 3C 286 as observed with ALMA
Observation data (Epoch J2000)
Right ascension 13h 31m 08.28811s
Declination+30° 30′ 32.9600″[1]
Redshift0.8493
Apparent magnitude (V)17.25[2]
Other designations
1328+307
See also: Quasar, List of quasars

3C 286 is one of four primary calibrators used by the Very Large Array (along with 3C 48, 3C 138, and 3C 147). Visibilities of all other sources are calibrated using observed visibilities of one of these four calibrators.[5]

References
  1. Fey, A.L.; et al. (2004). "The Second Extension of the International Celestial Reference Frame: ICRF-EXT.1". The Astronomical Journal. 127 (6): 3587–3608. Bibcode:2004AJ....127.3587F. doi:10.1086/420998.
  2. "3C 286 on SIMBAD". Retrieved 2009-02-13.
  3. Jian-feng, Z.; Dong-rong; Fu-jun; Xiao-yu (2000). "An early VLBI observation of the quasar 3C 286". Chinese Astronomy and Astrophysics (Translated Article). 24 (3): 324–330. Bibcode:2000ChA&A..24..324Z. doi:10.1016/S0275-1062(00)00060-6.
  4. Schneider, Donald P.; et al. (2007). "The Sloan Digital Sky Survey Quasar Catalog. IV. Fifth Data Release". The Astronomical Journal. 134 (1): 102–117. arXiv:0704.0806. Bibcode:2007AJ....134..102S. doi:10.1086/518474., via SIMBAD.
  5. Witz, Stephan W. (4 December 2015). "Calibration and Flux Density Scale". National Radio Astronomy Observatory. Retrieved 15 May 2016.



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