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NGC 669
Pan-STARRS image of NGC 669
Observation data (J2000 epoch)
Constellation	Triangulum
Right ascension	01 47 16.1
Declination	35° 33′ 48″
Redshift	0.015591
Heliocentric radial velocity	4674 km/s
Distance	200 Mly (60 Mpc)
Group or cluster	Abell 262
Apparent magnitude (V)	13.36
Characteristics
Type	Sab
Size	~245,000 ly (75.2 kpc) (estimated)
Apparent size (V)	3.2 x 0.6
Other designations
IRAS 01443+3519, UGC 1248, MCG 6-5-4, PGC 6560, CGCG 522-4

NGC 669 is an edge-on spiral galaxy with an active galactic nucleus located 200 million light-years away in the constellation Triangulum. NGC 669 was discovered by astronomer Édouard Stephan on November 28, 1883 and is a member of Abell 262.

See also

• List of NGC objects (1–1000)

References

1. ^ "NASA/IPAC Extragalactic Database". Results for NGC 669. Retrieved 2018-11-16.
2. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2018-11-17.
3. "NGC 0669". Retrieved 2018-11-17.
4. "New General Catalog Objects: NGC 650 - 699". cseligman.com. Retrieved 2018-11-14.
5. 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. 93: 211. Bibcode:1992A&AS...93..211F. ISSN 0365-0138.
6. 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)
7. 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.
8. "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2018-11-17.

External links

• NGC 669 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

v t e Constellation of Triangulum
List of stars in Triangulum Triangulum in Chinese astronomy
Stars	Bayer α (Mothallah) β γ δ ε ι Flamsteed 1 5 7 10 11 12 13 14 15 Variable R V X RW XX HR 490 523 564 HD 9446 13189 Other B324 HAT-P-38 (Horna) LSPM J0207+3331 M33-013406.63 M33 X-7 Romano's Star Ross 19 Var 83
Exoplanets HAT-P-38b (Hiisi) HD 9446 b c HD 13189 b
Nebulae 588 595 604
Galaxies	NGC Triangulum Galaxy 608 634 669 670 672 684 688 735 736 739 740 750 751 769 777 784 804 805 819 855 860 861 890 925 931 940 941 953 959 970 973 1060 Numbered I II Other Arp 166 RD1
Category

• NGC objects
• UGC objects
• Principal Galaxies Catalogue objects
• Triangulum
• Astronomical objects discovered in 1883
• Spiral galaxies
• Abell 262
• Active galaxies
• Discoveries by Édouard Stephan