NGC 4221
Galaxy in constellation Draco From Wikipedia, the free encyclopedia
Galaxy in constellation Draco From Wikipedia, the free encyclopedia
NGC 4221 is a barred lenticular galaxy located about 75.9 million light-years (23.28 megaparsecs) away[3] in the constellation of Draco. It was discovered on April 3, 1832, by the astronomer John Herschel.[5] NGC 4221 is notable for having an outer ring[6] that surrounds the inner barred central region of the galaxy.[5]
NGC 4221 | |
---|---|
Observation data (J2000 epoch) | |
Constellation | Draco |
Right ascension | 12h 15m 59.860s[1] |
Declination | +66° 13′ 50.90″[1] |
Redshift | 0.00439[2] |
Heliocentric radial velocity | 1313 ± 3 km/s[2] |
Distance | 75.9 Mly (23.28 Mpc)[3] |
Group or cluster | NGC 4256 Group[4] |
Apparent magnitude (B) | 13.6[2] |
Characteristics | |
Type | (R)SB0+(r)[1] |
Size | 55,900 ly (17.15 kpc) (estimated)[1] |
Apparent size (V) | 1.347′ × 0.943′[2] |
Other designations | |
UGC 7288, MCG +11-15-040, PGC 39266[2] |
NGC 4221 is a member of the NGC 4256 Group,[4][7][8] which lies in the upper plane of the Virgo Supercluster.[4]
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