NGC 731 | |
---|---|
Observation data ( J2000 epoch) | |
Constellation | Cetus |
Right ascension | 01h 54m 56.208s [1] |
Declination | −09° 00′ 38.90″ [1] |
Redshift | 0.01301 [2] |
Heliocentric radial velocity | 3875 km/s [2] |
Distance | 172 Mly (52.7 Mpc) [3] |
Apparent magnitude (V) | 12.14 [4] |
Apparent magnitude (B) | 13.06 [4] |
Characteristics | |
Type | E, [4] cD: [1] |
Other designations | |
MCG -02-05-073, PGC 7118 [2] |
NGC 731 is an elliptical galaxy located in the constellation of Cetus about 172 million light-years away from the Milky Way. [3] It was discovered by William Herschel on January 10, 1785. [5] It has a luminosity of 3.9×1010 L☉. [3]