Astronomy:NGC 668

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Short description: Galaxy in constellation Andromeda
NGC 668
NGC 668 PanS.jpg
Pan-STARRS image of NGC 668
Observation data (J2000 epoch)
ConstellationAndromeda
Right ascension 01h 46m 22.7s[1]
Declination36° 27′ 37″[1]
Redshift0.015004[1]
Helio radial velocity4498 km/s[1]
Distance200 Mly (60 Mpc)[1]
Group or clusterAbell 262
Apparent magnitude (V)13.74[1]
Characteristics
TypeSb[1]
Size~76,000 ly (23.4 kpc) (estimated)[1]
Apparent size (V)1.8 x 1.2[1]
Other designations
UGC 01238, PGC 006502, MCG +06-05-003[1]

NGC 668 is a spiral galaxy located 200 million light-years away[2] in the constellation Andromeda. It was discovered by astronomer Édouard Stephan on December 4, 1880[3] and is a member of Abell 262.[4][5][6][7]

See also

References

  1. 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 668. http://nedwww.ipac.caltech.edu/. 
  2. "Your NED Search Results". http://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC%20668&extend=no&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. 
  3. "New General Catalog Objects: NGC 650 - 699" (in en-US). http://cseligman.com/text/atlas/ngc6a.htm#668. 
  4. 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. Bibcode1992A&AS...93..211F. 
  5. 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. Bibcode1993A&AS..100...47G. 
  6. 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. Bibcode2000ApJ...543..178G. http://adsabs.harvard.edu/cgi-bin/bib_query?arXiv:astro-ph/0001140. 
  7. "Detailed Object Classifications". http://ned.ipac.caltech.edu/cgi-bin/NEDatt?objname=NGC+0668. 

External links