NGC 7427 | |
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Observation data (J2000 epoch) | |
Constellation | Pegasus |
Right ascension | 22h 57m 09.921s[1] |
Declination | +08° 30′ 20.078″[1] |
Redshift | 0.032376[1] |
Heliocentric radial velocity | 9706 ± 24 km/s[1] |
Distance | 449.1 ± 31.5 Mly (137.70 ± 9.66 Mpc)[1] |
Apparent magnitude (V) | 15.1[1] |
Characteristics | |
Type | SO[1] |
Size | ~97,100 ly (29.76 kpc) (estimated)[1] |
Apparent size (V) | 0.7' x 0.7'[1] |
Other designations | |
PGC 70091, CGCG 405-018, MCG +01-58-016, 2MASX J22570990+0830200[1] |
NGC 7427 is a lenticular galaxy in the constellation of Pegasus. Its velocity with respect to the cosmic microwave background is 9336 ± 35 km/s, which corresponds to a Hubble distance of 137.70 ± 9.66 Mpc (∼449 million light-years).[1] It was discovered by Russian astronomer Otto Wilhelm von Struve on 22 November 1865.[2]
Two supernovae have been observed in NGC 7427: SN 2019uzd (type Ia, mag 18.9)[3] and SN 2023uma (type Ia, mag 18.1).[4]
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