Astronomy:NGC 820
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Short description: Spiral galaxy in the constellation Aries
| NGC 820 | |
|---|---|
 SDSS image of NGC 820 | |
| Observation data (J2000 epoch) | |
| Constellation | Aries |
| Right ascension | 02h 08m 24.97482s[1] |
| Declination | +14° 20′ 58.5388″[1] |
| Redshift | 0.01477[2] |
| Helio radial velocity | 4395 km/s[2] |
| Distance | 213.5 Mly (65.46 Mpc)[3] |
| Apparent magnitude (B) | 13.7[2] |
| Characteristics | |
| Type | Sb[2] |
| Other designations | |
| UGC 1629, MCG+02-06-036, PGC 8165[2] | |
NGC 820 is a spiral galaxy located in the constellation Aries about 210 million light-years from the Milky Way.[3] It was discovered by United Kingdom astronomer John Herschel in 1828.[4][5][6][7]
One supernova has been observed in NGC 820: SN 2002ea (type IIn, mag. 17.7).[8]
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 2.4 "NGC 820". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+820.
- ↑ 3.0 3.1 Tully, R. Brent; Courtois, Hélène M.; Sorce, Jenny G. (2016). "Cosmicflows-3". The Astronomical Journal 152 (2): 21. doi:10.3847/0004-6256/152/2/50. 50. Bibcode: 2016AJ....152...50T.
- ↑ Ford, Dominic. "The galaxy NGC 820 - In-The-Sky.org" (in en). https://in-the-sky.org/data/object.php?id=NGC820.
- ↑ Rojas, Sebastián García. "Galaxy NGC 820 - Spiral Galaxy in Aries Constellation" (in en). https://telescopius.com/deep-sky/object/1715/ngc-820/galaxy.
- ↑ "Your NED Search Results". http://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=ngc+820&img_stamp=YES.
- ↑ "Revised NGC Data for NGC 820". http://spider.seds.org/ngc/revngcic.cgi?NGC820.
- ↑ Transient Name Server entry for SN 2002ea. Retrieved 2 April 2023.
External links
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