NGC 4643

NGC 4643 is a lenticular galaxy located in the constellation Virgo.^[6] It is a member of the NGC 4753 Group of galaxies, which is a member of the Virgo II Groups, a series of galaxies and galaxy clusters strung out from the southern edge of the Virgo Supercluster.^[7]

NGC 4643
legacy surveys image of NGC 4643
Observation data (J2000 epoch)
Constellation	Virgo
Right ascension	12h 43m 20.134s[1]
Declination	+01° 58′ 42.24″[1]
Redshift	0.0044[2]
Heliocentric radial velocity	1316 km/s[2]
Distance	62.9 ± 9.5 Mly (19.3 ± 2.9 Mpc)[3]
Group or cluster	Virgo Cluster[2]
Apparent magnitude (V)	10.65[4]
Apparent magnitude (B)	11.23[4]
Characteristics
Type	SB(rs)0/a[5]
Other designations
MCG +00-33-005, PGC 42797[2]