Astronomy:NGC 861
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Short description: Spiral galaxy in the constellation Triangulum
| NGC 861 | |
|---|---|
 Pan-STARRS image of NGC 861 | |
| Observation data (J2000 epoch) | |
| Constellation | Triangulum |
| Right ascension | 02h 15m 51.146s[1] |
| Declination | +35° 54′ 48.89″[1] |
| Redshift | 0.027249[2] |
| Helio radial velocity | 8058 km/s[2] |
| Distance | 360.7 Mly (110.59 Mpc)[3] |
| Apparent magnitude (B) | 14.8[2] |
| Characteristics | |
| Type | Sb[2] |
| Other designations | |
| UGC 1737, MCG+06-06-003, PGC 8652[2] | |
NGC 861 is a spiral galaxy in the constellation Triangulum. It is estimated to be 360 million light-years from the Milky Way[3] and has a diameter of approximately 165,000 light-years. The object was discovered on September 18, 1865 by Heinrich d'Arrest.[4][5][6]
See also
References
- ↑ 1.0 1.1 Skrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W. et al. (1 February 2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal 131 (2): 1163–1183. doi:10.1086/498708. ISSN 0004-6256. Bibcode: 2006AJ....131.1163S.
- ↑ 2.0 2.1 2.2 2.3 2.4 "NGC 861". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+861.
- ↑ 3.0 3.1 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.
- ↑ Ford, Dominic. "The galaxy NGC 861 - In-The-Sky.org" (in en). https://in-the-sky.org/data/object.php?id=896.
- ↑ "Your NED Search Results". http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+861&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.
- ↑ "Revised NGC Data for NGC 861". http://spider.seds.org/ngc/revngcic.cgi?NGC%20861.
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