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NGC 822

Summary

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]

NGC 822
DSS image of NGC 822
Observation data (J2000 epoch)
ConstellationPhoenix
Right ascension02h 06m 39.13396s[1]
Declination−41° 09′ 24.2724″[1]
Redshift0.017856[2]
Heliocentric radial velocity5305 km/s[2]
Distance233.3 Mly (71.52 Mpc)[3]
Apparent magnitude (B)14.25[2]
Characteristics
TypeE[2]
Other designations
MCG -07-05-008, PGC 8055[2]

See also edit

References edit

  1. ^ 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.
  2. ^ a b c d e "NGC 822". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-05-24.
  3. ^ 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.
  4. ^ Ford, Dominic. "The galaxy NGC 822 - In-The-Sky.org". in-the-sky.org. Retrieved 2020-03-28.
  5. ^ "Revised NGC Data for NGC 822". spider.seds.org. Retrieved 2020-03-28.
  6. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2020-03-28.