Back ماركاريان 231 Arabic Markarian 231 Greek Markarian 231 French マルカリアン231 Japanese Markarian 231 Dutch UGC 8058 NN UGC 8058 NB UGC 8058 Polish Маркарян 231 Russian Markarian 231 Swedish
| Markarian 231 | |
|---|---|
.jpg) Hubble Space Telescope image of Markarian 231 | |
| Observation data (J2000 epoch) | |
| Constellation | Ursa Major |
| Right ascension | 12h 56m 14.23410s[1] |
| Declination | +56° 52′ 25.2386″[1] |
| Redshift | 0.04147[2] |
| Heliocentric radial velocity | 12173 km/s[2] |
| Distance | 581 Mly, 178 Mpc |
| Apparent magnitude (V) | 13.84[3] |
| Characteristics | |
| Type | Sc/quasar |
| Other designations | |
| UGC 8058, Mrk 231, Mkn 231, Markarian 231, MCG+10-19-004, ZW VII 490, PGC 44117 | |
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Markarian 231 (UGC 8058) is a Type-1 Seyfert galaxy that was discovered in 1969 as part of a search of galaxies with strong ultraviolet radiation. It contains the nearest known quasar. Markarian 231 is located about 581 million light years away from Earth, in the constellation of Ursa Major.
- ^ a b Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
- ^ a b "Markarian 231". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-11-30.
- ^ Véron-Cetty, M.-P.; Véron, P. (2010). "A catalogue of quasars and active nuclei". Astronomy and Astrophysics. 518 (13th ed.): A10. Bibcode:2010A&A...518A..10V. doi:10.1051/0004-6361/201014188.
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