Astronomy:NGC 22
From HandWiki
| NGC 22 | |
|---|---|
 | |
| Observation data (J 2000.0 epoch) | |
| Constellation | Pegasus |
| Right ascension | 00h 09m 48.2s[1] |
| Declination | +27° 49′ 56″[1] |
| Redshift | 0.027726[1] |
| Helio radial velocity | 8,312 ± 1 km/s[1] |
| Distance | 354 ± 25 Mly 108.5 ± 7.8 Mpc[2] |
| Apparent magnitude (V) | +14.4[1] |
| Absolute magnitude (V) | −20.53[3] |
| Characteristics | |
| Type | Sb[4] |
| Apparent size (V) | 1.25′ × 0.85′[5] |
| Other designations | |
| IRAS F00072+2733, NGC 22, UGC 86, MCG+05-01-039, PGC 690 | |
NGC 22 is a spiral galaxy located in the Pegasus constellation. It was discovered in 1883 by French astronomer Édouard Stephan and was catalogued as the 22nd object in the New General Catalogue, compiled by J. L. E. Dreyer in 1888. The galaxy has an apparent visual magnitude of +14.4 and spans an angular size of 1.25′ × 0.85′.[5]
The morphological classification of this galaxy is Sb,[4] indicating a spiral form with somewhat tightly wound arms. It is located at a distance of 354 ± 25 million light-years (108.5 ± 7.8 Mpc) from the Milky Way.[2]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 "NASA/IPAC Extragalactic Database". Results for NGC 0022. http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+22&img_stamp=yes&extend=no.
- ↑ 2.0 2.1 "Distance Results for NGC 0022". NASA/IPAC Extragalactic Database. http://nedwww.ipac.caltech.edu/cgi-bin/nDistance?name=NGC+0022.
- ↑ Ford, Dominic. "The galaxy NGC 22 - In-The-Sky.org". https://in-the-sky.org/data/object.php?id=NGC22.
- ↑ 4.0 4.1 Paturel, G. et al. (December 2003). "HYPERLEDA. I. Identification and designation of galaxies". Astronomy and Astrophysics 412: 45–55. doi:10.1051/0004-6361:20031411. Bibcode: 2003A&A...412...45P.
- ↑ 5.0 5.1 Moustakas, John et al. (2023). "Siena Galaxy Atlas 2020". The Astrophysical Journal Supplement Series 269 (1): 3. doi:10.3847/1538-4365/acfaa2. Bibcode: 2023ApJS..269....3M.
External links
- NGC 22 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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