Astronomy:NGC 201
From HandWiki
| NGC 201 | |
|---|---|
 Hubble Space Telescope image of NGC 201 | |
| Observation data (J2000 epoch) | |
| Constellation | Cetus |
| Right ascension | 00h 39m 34.820s[1] |
| Declination | 00° 51′ 35.60″[1] |
| Redshift | 0.014728 ± 0.000062[1] |
| Helio radial velocity | 4415 ± 19 km/s[1] |
| Galactocentric velocity | 4505 ± 19 km/s[1] |
| Distance | 61.7 ± 4.3 kpc (201 ± 14 kly)h−10.73[1] |
| Apparent magnitude (V) | 13.8[1] |
| Characteristics | |
| Type | SAB(r)c[2] |
| Size | 163,230 ly (50.07 kpc) (estimated)[1] |
| Apparent size (V) | 1.8' x 1.5'[2] |
| Other designations | |
| PGC 2388, UGC 419, MCG +00-02-115, HCG 007C | |
NGC 201 is a spiral galaxy in the constellation of Cetus. It is one of the group members of HCG 7, with the other group members NGC 192, NGC 196, and NGC 197. It was discovered on December 28, 1790 by William Herschel.[2]
NGC 201 is also considered part of a galaxy group known as NGC 192 Group or LGG 10, together with 4 core members: NGC 173, NGC 192, NGC 196, NGC 237 and 1 possible member: NGC 197.[3]
One supernova has been observed in NGC 201: SN 2019yc (Type IIb, mag. 16.7) was discovered by Kōichi Itagaki on 22 January 2019.[4]
See also
Image gallery
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 "NASA/IPAC Extragalactic Database". Results for NGC 201. http://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=ngc+201&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.
- ↑ 2.0 2.1 2.2 "New General Catalogue Objects: NGC 200-249". http://cseligman.com/text/atlas/ngc2.htm#201.
- ↑ Garcia, A. M. (1993). "General study of group membership. II. Determination of nearby groups". Astronomy & Astrophysics Supplement Series 100: 47–90. Bibcode: 1993A&AS..100...47G.
- ↑ "SN 2019yc". IAU. https://www.wis-tns.org/object/2019yc.
External links
- NGC 201 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
- SEDS
Coordinates: 
00h 39m 34.82s, 00° 51′ 35.60″
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