Astronomy:NGC 823
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Short description: Galaxy in the constellation Fornax
| 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] |
| Helio 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]
See also
References
- ↑ 1.0 1.1 Brown, A. G. A. (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics 616: A1. doi:10.1051/0004-6361/201833051. Bibcode: 2018A&A...616A...1G.
- ↑ 2.0 2.1 2.2 2.3 "NGC 823". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+823.
- ↑ 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. doi:10.1086/510201. Bibcode: 2007ApJ...655..790C.
- ↑ 4.0 4.1 "Results for object NGC 0823 (NGC 823)". NASA/IPAC Extragalactic Database. California Institute of Technology. https://ned.ipac.caltech.edu/byname?objname=NGC%20823&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1.
- ↑ 5.0 5.1 Seligman, Courtney. "New General Catalogue objects: NGC 800 - 849". http://cseligman.com/text/atlas/ngc8.htm#823.
- ↑ Ford, Dominic. "The galaxy NGC 823 - In-The-Sky.org" (in en). https://in-the-sky.org/data/object.php?id=NGC823.
- ↑ SN 2022abid (ZTF22abyelas)
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