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Galaxy in the constellation Coma Berenices From Wikipedia, the free encyclopedia
NGC 4323 is a lenticular or dwarf elliptical galaxy[7] located about 52.5 million light-years away in the constellation Coma Berenices. The galaxy was discovered in 1882 by astronomer Wilhelm Tempel[8] and is a member of the Virgo Cluster.[9]
| NGC 4323 | |
|---|---|
SDSS image of NGC 4323. | |
| Observation data (J2000 epoch) | |
| Constellation | Coma Berenices[1] |
| Right ascension | 12h 23m 01.7s[2] |
| Declination | 15° 54′ 20″[2] |
| Redshift | 0.006182[2] |
| Heliocentric radial velocity | 869 km/s[2] |
| Distance | 52.5[3] Mly |
| Group or cluster | Virgo Cluster |
| Apparent magnitude (V) | 15.1g[2] |
| Characteristics | |
| Type | SB0^0(r), dE[2] |
| Mass | 1.7×109[4] M☉ |
| Size | ~23,000 ly (7 kpc) (estimated)[5] |
| Apparent size (V) | 0.953′ × 0.610′[6] |
| Other designations | |
| PGC 40171, VCC 608, MCG +03-32-016[2] | |
NGC 4323 is commonly misidentified as NGC 4322, which is a 13th magnitude star.[10][11]
NGC 4323 is a companion of Messier 100,[12][13][14][15][16][17][18][19][20][21][22] which lies 78,000 light-years (24 kiloparsecs) away.[13][17][21] The two galaxies appear to be interacting,[15][19][20][22] as evidenced by Messier 100's rotation curve, an asymmetry of its HI disk,[19][20] and a faint, optical bridge that connects it to NGC 4323.[14][15][16][17][20][22] However, Knapen et al. suggests that the two galaxies are not interacting as NGC 4323 is a small galaxy and has a large separation from Messier 100.[19]
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