Astronomy:NGC 7057
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Short description: Galaxy in the constellation Microscopium
| NGC 7057 | |
|---|---|
 The galaxy NGC 7057 as imaged by 2MASS. | |
| Observation data (J2000 epoch) | |
| Constellation | Microscopium |
| Right ascension | 21h 24m 58.7s[1] |
| Declination | −42° 27′ 38″[1] |
| Redshift | 0.017962[1] |
| Helio radial velocity | 5,385 km/s[1] |
| Distance | 230.1 Mly |
| Apparent magnitude (V) | 12.60[1] |
| Characteristics | |
| Type | E[1] |
| Apparent size (V) | 1.4 x 1.0[1] |
| Other designations | |
| ESO 287-17, AM 2121-424, MCG -7-44-4, PGC 66708[1] | |
NGC 7057 is an elliptical galaxy located about 230 million light-years away in the constellation of Microscopium.[2][3] NGC 7057 was discovered by astronomer John Herschel on September 2, 1836.[4]
Group membership
NGC 7057 is a member of a group of galaxies known as the NGC 7060 group. Other members of the group are NGC 7060, NGC 7072 and NGC 7072A.[5]
See also
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 "NASA/IPAC Extragalactic Database". Results for NGC 7057. http://nedwww.ipac.caltech.edu/.
- ↑ Rojas, Sebastián García. "Galaxy NGC 7057 - Galaxy in Microscopium Constellation · Deep Sky Objects Browser" (in en). https://dso-browser.com/deep-sky/8247/ngc-7057/galaxy.
- ↑ "Your NED Search Results". http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+7057&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES.
- ↑ "New General Catalog Objects: NGC 7050 - 7099" (in en-US). http://cseligman.com/text/atlas/ngc70a.htm#7051.
- ↑ Fouque, P.; Proust, D.; Quintana, H.; Ramirez, A. (1993-09-01). "Dynamics of the Pavo-Indus and Grus clouds of galaxies". Astronomy and Astrophysics Supplement Series 100: 493–500. ISSN 0365-0138. Bibcode: 1993A&AS..100..493F.
External links
- NGC 7057 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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