Astronomy:NGC 252
From HandWiki
Short description: Lenticular galaxy in constellation Andromeda
NGC 252 | |
---|---|
SDSS image of NGC 252 | |
Observation data (J2000 epoch) | |
Constellation | Andromeda |
Right ascension | 00h 48m 01.484s[1] |
Declination | +27° 37′ 25.76″[1] |
Redshift | 0.016471[2] |
Helio radial velocity | 4938[2] |
Distance | 245.54 ± 31.56 Mly (75.283 ± 9.677 Mpc)[2] |
Apparent magnitude (V) | 13.4 |
Apparent magnitude (B) | 12.49 |
Characteristics | |
Type | (R)SA0+(r)[2] |
Size | 121.4 kly (37.23 kpc)[2] |
Apparent size (V) | 1.7′ × 1.309′[2] |
Other designations | |
UGC 491, MGC+04-03-004, PGC 2819[3] |
NGC 252 is a lenticular galaxy located in the constellation Andromeda. It was discovered by William Herschel in 1786.[4]
One supernova has been observed in NGC 252: SN 1998de (type Ia, mag. 18.4).[5]
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 2.5 "NASA/IPAC Extragalactic Database". Results for NGC 252. http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+252&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 252". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+252.
- ↑ "NGC 252 (= PGC 2819)". http://cseligman.com/text/atlas/ngc2a.htm#252.
- ↑ Transient Name Server entry for SN 1998de. Retrieved 30 March 2023.
External links
Original source: https://en.wikipedia.org/wiki/NGC 252.
Read more |