NGC 1989

NGC 1989
legacy surveys image of NGC 1989
Observation data (J2000 epoch)
Constellation	Columba
Right ascension	05^h 34^m 2342^s[1]
Declination	−30° 48′ 03.55″[1]
Redshift	0.035858[1]
Heliocentric radial velocity	10557[1]
Distance	482 Million[2]
Apparent magnitude (V)	12.9[2]
Apparent magnitude (B)	14.13[1]
Characteristics
Type	S0[1]
Size	1.40 x 1.1[3]
Other designations
ESO 423-21, MCG -5-14-4, AM 0532-304, PGC 17464[2]

NGC 1989 (also known as ESO 423-21) is a lenticular galaxy in the Columba constellation. It is about 482 million light-years away from the Milky Way. The galaxy was discovered by John Herschel on January 28, 1835.^[4] Its apparent magnitude is 12.9^[2] and its size is 1.40 by 1.1 arc minutes.^[3]

References

1. "NGC 1989 -- Brightest galaxy in a Cluster (BCG)". SIMBAD. Retrieved 25 November 2017.
2. "Galaxy NGC 1989". DSO. Archived from the original on 1 December 2017. Retrieved 25 November 2017.
3. "Object: NGC 1989 (*)". SEDS. Retrieved 25 November 2017.
4. "NGC 1989 (= PGC 17464)". cseligman. Retrieved 25 November 2017.

External links

• Media related to NGC 1989 at Wikimedia Commons