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| NGC 823 | |
|---|---|
 legacy surveys image of NGC 823 | |
| Observation data (J2000 epoch) | |
| Constellation | Fornax |
| Right ascension | 02h 07m 20.07002s[1] |
| Declination | −25° 26′ 30.9656″[1] |
| Redshift | 0.014754[2] |
| Heliocentric radial velocity | 4391 km/s[2] |
| Distance | 194.2 Mly (59.54 Mpc)[3] |
| Apparent magnitude (B) | 13.61[2] |
| Characteristics | |
| Type | SA0−(r):[4] |
| Apparent size (V) | 1.7′ × 1.2′[5] |
| Other designations | |
| IC 1782, MCG -04-06-005, PGC 8093[2] | |
NGC 823, also known as IC 1782, is an unbarred lenticular galaxy in the constellation Fornax.[4] It is estimated to be 194 million light-years from the Milky Way and has a diameter of approximately 100,000 light years. NGC 823 was discovered on October 14, 1830, by astronomer John Herschel.[6][5]
SN 2022abid (ZTF22abyelas) a Type Ia supernova from an exploding white dwarf was discovered on 23 November 2022.[7]
- ^ 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 "NGC 823". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-02.
- ^ 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.
- ^ a b "Results for object NGC 0823 (NGC 823)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-02.
- ^ a b Seligman, Courtney. "New General Catalogue objects: NGC 800 - 849". cseligman.com. Retrieved 2021-02-02.
- ^ Ford, Dominic. "The galaxy NGC 823 - In-The-Sky.org". in-the-sky.org. Retrieved 2020-03-28.
- ^ SN 2022abid (ZTF22abyelas)