Astronomy:NGC 669
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Short description: Galaxy in the constellation Triangulum
| NGC 669 | |
|---|---|
 Pan-STARRS image of NGC 669 | |
| Observation data (J2000 epoch) | |
| Constellation | Triangulum |
| Right ascension | 01h 47m 16.1s[1] |
| Declination | 35° 33′ 48″[1] |
| Redshift | 0.015591[1] |
| Helio radial velocity | 4674 km/s[1] |
| Distance | 200 Mly (60 Mpc)[1] |
| Group or cluster | Abell 262 |
| Apparent magnitude (V) | 13.36[1] |
| Characteristics | |
| Type | Sab[1] |
| Size | ~245,000 ly (75.2 kpc) (estimated)[1] |
| Apparent size (V) | 3.2 x 0.6[1] |
| Other designations | |
| CGCG 522-4, IRAS 01443+3519, MCG 6-5-4, PGC 6560, UGC 1248[1] | |
NGC 669 is an edge-on spiral galaxy[2] with an active galactic nucleus[3] located 200 million light-years away[2] in the constellation Triangulum. NGC 669 was discovered by astronomer Édouard Stephan on November 28, 1883[4] and is a member of Abell 262.[5][6][7][8]
See also
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 "NASA/IPAC Extragalactic Database". Results for NGC 669. http://nedwww.ipac.caltech.edu/.
- ↑ 2.0 2.1 "Your NED Search Results". http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+669&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 0669". http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC+0669&QueryType=ned.
- ↑ "New General Catalog Objects: NGC 650 - 699" (in en-US). http://cseligman.com/text/atlas/ngc6a.htm#668.
- ↑ P., Fouque; E., Gourgoulhon; P., Chamaraux; G., Paturel (May 1992). "Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members" (in en). Astronomy and Astrophysics Supplement Series 93: 211. ISSN 0365-0138. Bibcode: 1992A&AS...93..211F.
- ↑ M., Garcia, A. (July 1993). "General study of group membership. II - Determination of nearby groups" (in en). Astronomy and Astrophysics Supplement Series 100: 47. ISSN 0365-0138. Bibcode: 1993A&AS..100...47G.
- ↑ Giuricin, Giuliano; Marinoni, Christian; Ceriani, Lorenzo; Pisani, Armando (November 2000). "Nearby Optical Galaxies: Selection of the Sample and Identification of Groups" (in en). The Astrophysical Journal 543 (1): 178–194. doi:10.1086/317070. ISSN 0004-637X. Bibcode: 2000ApJ...543..178G. http://adsabs.harvard.edu/cgi-bin/bib_query?arXiv:astro-ph/0001140.
- ↑ "Detailed Object Classifications". http://ned.ipac.caltech.edu/cgi-bin/NEDatt?objname=NGC+0669.
External links
- NGC 669 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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