NGC 4868
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Galaxy in the constellation Canes Venatici
| NGC 4868 | |
|---|---|
| SDSS image of NGC 4868 | |
| Observation data (J2000 epoch) | |
| Constellation | Canes Venatici |
| Right ascension | 12h 59m 08.88278s[1] |
| Declination | +37° 18′ 37.4675″[1] |
| Redshift | 0.015597[2] |
| Heliocentric radial velocity | 4639 km/s[2] |
| Distance | 241 Mly (74.0 Mpc)[3] |
| Apparent magnitude (B) | 12.95[4] |
| Characteristics | |
| Type | SAab?[5] |
| Apparent size (V) | 1.6′[3] |
| Other designations | |
| UGC 8099, MCG +06-29-004, PGC 44557[2] | |
NGC 4868 is an unbarred spiral galaxy located about 240 million light-years away[3] in the constellation Canes Venatici.[6] It was discovered by William Herschel on March 17, 1787.[7] A 2002 study suggests that a quasar may exist within NGC 4868.[8]
See also
[edit ]References
[edit ]- ^ a b Brown, A. G. A.; et al. (Gaia collaboration) (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics . 649: A1. arXiv:2012.01533 . Bibcode:2021A&A...649A...1G. doi:10.1051/0004-6361/202039657 . S2CID 227254300. (Erratum: doi:10.1051/0004-6361/202039657e).
- ^ a b c "NGC 4868". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2024年10月26日.
- ^ a b c Maragkoudakis, A.; Zezas, A.; Ashby, M. L. N.; Willner, S. P. (2014). "Aperture effects on spectroscopic galaxy activity classification". Monthly Notices of the Royal Astronomical Society. 441 (3): 2296–2308. arXiv:1404.0620 . Bibcode:2014MNRAS.441.2296M. doi:10.1093/mnras/stu634 .
- ^ "Search specification: NGC 4868". HyperLeda. Université Claude Bernard Lyon 1. Retrieved 2024年10月26日.
- ^ "Results for object NGC 4868 (NGC 4868)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2024年10月26日.
- ^ "NGC 4868 - Spiral Galaxy in Canes Venatici". TheSkyLive.com. Archived from the original on October 27, 2021.
- ^ "NGCIC". Archived from the original on 2013年07月18日.
- ^ Burbidge, E. Margaret; Burbidge, Geoffrey; Arp, Halton C.; Zibetti, Stefano (2003). "QSOs Associated with M82". The Astrophysical Journal. 591 (2): 690–694. arXiv:astro-ph/0303625 . Bibcode:2003ApJ...591..690B. doi:10.1086/375411. S2CID 118875813.
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