Astronomy:NGC 171
From HandWiki
| NGC 171 | |
|---|---|
 NGC 171 as seen on SDSS | |
| Observation data (J2000 epoch) | |
| Constellation | Cetus |
| Right ascension | 00h 37m 21.5s[1] |
| Declination | −19° 56′ 03″[1] |
| Redshift | 0.013043[1] |
| Apparent magnitude (V) | 12.90[1] |
| Characteristics | |
| Type | SBb[1][2] |
| Apparent size (V) | 2.1' × 1.9'[1] |
| Other designations | |
| ESO 540- G 006, MCG -03-02-024, 2MASX J00372152-1956032, 2MASXi J0037129-195609, IRAS 00348-2012, IRAS F00348-2012, ESO-LV 5400060, 6dF J0037125-195603, PGC 2232.[1] | |
NGC 171 is a barred spiral galaxy with an apparent magnitude of 12, located around 200 million light-years away in the constellation Cetus. The galaxy has two main medium-wound arms, with a few minor arms, and a fairly bright nucleus and bulge. It was discovered on 20 October 1784 by William Herschel.[3] It is also known as NGC 175.[3]
Supernova
One supernova has been observed in NGC 171: SN 2009hf (Type II-P, mag. 17.2) was discovered by Berto Monard (it) on 9 July 2009.[4][5]
See also
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 "NASA/IPAC Extragalactic Database". Results for NGC 0171. http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+171&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.
- ↑ "NGC 171". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+171.
- ↑ 3.0 3.1 "New General Catalog Objects: NGC 150 - 199" (in en-US). http://cseligman.com/text/atlas/ngc1a.htm#171.
- ↑ Monard, L. A. G. (2009). "Supernovae 2009hf and 2009hg". Central Bureau Electronic Telegrams (1869): 1. Bibcode: 2009CBET.1869....1M. http://www.cbat.eps.harvard.edu/cbet/001800/CBET001869.txt.
- ↑ "SN 2009hf". IAU. https://www.wis-tns.org/object/2009hf.
External links
- NGC 171 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
- SEDS
Coordinates: 
00h 37m 21.5s, -19° 56′ 03″
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