| NGC 822 | |
|---|---|
 DSS image of NGC 822 | |
| Observation data (J2000 epoch) | |
| Constellation | Phoenix |
| Right ascension | 02h 06m 39.13396s[1] |
| Declination | −41° 09′ 24.2724″[1] |
| Redshift | 0.017856[2] |
| Heliocentric radial velocity | 5305 km/s[2] |
| Distance | 233.3 Mly (71.52 Mpc)[3] |
| Apparent magnitude (B) | 14.25[2] |
| Characteristics | |
| Type | E[2] |
| Other designations | |
| MCG -07-05-008, PGC 8055[2] | |
NGC 822 is an elliptical galaxy in the constellation Phoenix. It is estimated to be about 233 million light-years from the Milky Way[3] and has a diameter of approximately 80,000 light-years. NGC 822 was discovered on September 5, 1834, by astronomer John Herschel.[4][5][6]
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Transcription
See also
References
- ^ 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.
- ^ a b c d e "NGC 822". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-05-24.
- ^ a b Crook, Aidan C.; Huchra, John P.; Martimbeau, Nathalie; Masters, Karen L.; Jarrett, Tom; Macri, Lucas M. (2007). "Groups of Galaxies in the Two Micron All Sky Redshift Survey". The Astrophysical Journal. 655 (2): 790–813. arXiv:astro-ph/0610732. Bibcode:2007ApJ...655..790C. doi:10.1086/510201. S2CID 11672751.
- ^ Ford, Dominic. "The galaxy NGC 822 - In-The-Sky.org". in-the-sky.org. Retrieved 2020-03-28.
- ^ "Revised NGC Data for NGC 822". spider.seds.org. Retrieved 2020-03-28.
- ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2020-03-28.
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This page was last edited on 29 May 2023, at 04:58