NGC 668 explained

NGC 668
Upright:	1.15
Constellation Name:	Andromeda
Epoch:	J2000
Type:	Sb^[1]
Dist Ly:	60Mpc
Z:	0.015004
H Radial V:	4498 km/s
Group Cluster:	Abell 262
Appmag V:	13.74
Size V:	1.8 x 1.2
Size:	~23.4kpc (estimated)
Names:	UGC 01238, PGC 006502, MCG +06-05-003

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

• List of NGC objects (1–1000)

Notes and References

1. Web site: NASA/IPAC Extragalactic Database . Results for NGC 668 . 2018-11-13.
2. Web site: Your NED Search Results. ned.ipac.caltech.edu. 2018-11-14.
3. Web site: New General Catalog Objects: NGC 650 - 699. cseligman.com. en-US. 2018-11-14.
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. Astronomy and Astrophysics Supplement Series. en. 93. 211. 0365-0138. 1992A&AS...93..211F.
5. M.. Garcia, A.. July 1993. General study of group membership. II - Determination of nearby groups. Astronomy and Astrophysics Supplement Series. en. 100. 47. 0365-0138. 1993A&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. The Astrophysical Journal. en. 543. 1. 178–194. 10.1086/317070. 0004-637X. 2000ApJ...543..178G. astro-ph/0001140. 9618325.
7. Web site: Detailed Object Classifications. ned.ipac.caltech.edu. 2018-11-16.