NGC 687

NGC 687
NGC 687
	Pan-STARRS image of NGC 687
Observation data (J2000 epoch)
Constellation	Andromeda
Right ascension	01h 50m 33.2s
Declination	36° 22′ 15″
Redshift	0.016982
Heliocentric radial velocity	5091 km/s
Distance	220 Mly (66 Mpc)
Group or cluster	Abell 262
Apparent magnitude (V)	13.30
Characteristics
Type	S0
Size	~110,000 ly (33.6 kpc) (estimated)
Apparent size (V)	1.4 x 1.4
Other designations
	CGCG 522-17, MCG 6-5-14, PGC 6782, UGC 1298

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]

References

^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j "NASA/IPAC Extragalactic Database". Results for NGC 687. Retrieved 2018-11-18.
^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2018-11-19.
^ "New General Catalog Objects: NGC 650 - 699". cseligman.com. Retrieved 2018-11-14.
^ 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.{{cite journal}}: CS1 maint: multiple names: authors list (link)
^ 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. S2CID 9618325.
^ "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2018-11-19.
^ "NGC 687". Retrieved 2018-11-20.