NGC 7637
Galaxy in the constellation Octans
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NGC 7637 is a spiral galaxy in the constellation of Octans. Its velocity with respect to the cosmic microwave background is 3711 ± 3 km/s, which corresponds to a Hubble distance of 178.5 ± 12.5 Mly (54.73 ± 3.83 Mpc).[1] It was discovered by British astronomer John Herschel on 17 October 1835.[2]
Right ascension23h 26m 27.6374s[1]
Declination−81° 54′ 41.516″[1]
| NGC 7637 | |
|---|---|
NGC 7637 imaged by Legacy Surveys | |
| Observation data (J2000 epoch) | |
| Constellation | Octans |
| Right ascension | 23h 26m 27.6374s[1] |
| Declination | −81° 54′ 41.516″[1] |
| Redshift | 0.012402[1] |
| Heliocentric radial velocity | 3718 ± 3 km/s[1] |
| Distance | 178.5 ± 12.5 Mly (54.73 ± 3.83 Mpc)[1] |
| Apparent magnitude (V) | 13[1] |
| Characteristics | |
| Type | SA(r)c[1] |
| Size | ~162,500 ly (49.83 kpc) (estimated)[1] |
| Apparent size (V) | 2.1′ × 1.9′[1] |
| Other designations | |
| ESO 012- G 001, IRAS 23226-8211, 2MASX J23262765-8154417, PGC 71440[1] | |
Supernovae
Three supernovae have been observed in NGC 7637:
