NGC 687

NGC 687 is a lenticular galaxy located 220 million light-years away[2] in the constellation Andromeda. It was discovered by astronomer William Herschel on September 21, 1786[3] and is a member of Abell 262.[4][5][6][7]

NGC 687
Pan-STARRS image of NGC 687.
Observation data (J2000 epoch)
ConstellationAndromeda
Right ascension 01h 50m 33.2s[1]
Declination36° 22′ 15″[1]
Redshift0.016982[1]
Helio radial velocity5091 km/s[1]
Distance220 Mly (66 Mpc)[1]
Group or clusterAbell 262
Apparent magnitude (V)13.30[1]
Characteristics
TypeS0[1]
Size~110,000 ly (33.6 kpc) (estimated)[1]
Apparent size (V)1.4 x 1.4[1]
Other designations
CGCG 522-17, MCG 6-5-14, PGC 6782, UGC 1298[1]

See also

References
  1. "NASA/IPAC Extragalactic Database". Results for NGC 687. Retrieved 2018-11-18.
  2. "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2018-11-19.
  3. "New General Catalog Objects: NGC 650 - 699". cseligman.com. Retrieved 2018-11-14.
  4. M., Garcia, A. (July 1993). "General study of group membership. II - Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100: 47. Bibcode:1993A&AS..100...47G. ISSN 0365-0138.
  5. Giuricin, Giuliano; Marinoni, Christian; Ceriani, Lorenzo; Pisani, Armando (November 2000). "Nearby Optical Galaxies: Selection of the Sample and Identification of Groups". The Astrophysical Journal. 543 (1): 178–194. arXiv:astro-ph/0001140. Bibcode:2000ApJ...543..178G. doi:10.1086/317070. ISSN 0004-637X.
  6. "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2018-11-19.
  7. "NGC 687". Retrieved 2018-11-20.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.