NGC 3087 | |
---|---|
Observation data (J2000 epoch) | |
Constellation | Antlia |
Right ascension | 09h 59m 08.66s[1] |
Declination | −34° 13′ 30.8″[1] |
Redshift | 0.008913 [1] |
Heliocentric radial velocity | 2672 ± 21 km/s[1] |
Distance | 143.7 ± 10.2 Mly (44.05 ± 3.13 Mpc)[1] |
Apparent magnitude (V) | 10.5[1] |
Characteristics | |
Type | cD:[1] |
Size | ~114,100 ly (34.99 kpc) (estimated)[1] |
Apparent size (V) | 2.0' x 2.0'[1] |
Other designations | |
2MASX J09590864-3413307, MCG -06-22-005, PGC 28845, ESO 374- G 015[1] |
NGC 3087 is an elliptical galaxy in the constellation of Antlia. Its velocity with respect to the cosmic microwave background is 2987 ± 30 km/s, which corresponds to a Hubble distance of 44.05 ± 3.13 Mpc (∼144 million light-years).[1] It was discovered by British astronomer John Herschel on 2 February 1835.[2]
One supernova has been observed in NGC 3087: SN 2023mdv (type Ia, mag 18.3).[3]