NGC 39
Spiral galaxy in the constellation Andromeda
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NGC 39 is an unbarred spiral galaxy in the constellation Andromeda. Its velocity with respect to the cosmic microwave background is 4529 ± 25 km/s, which corresponds to a Hubble distance of 217.9 ± 15.3 Mly (66.80 ± 4.69 Mpc).[1] It was discovered by German-British astronomer William Herschel on 2 November 1790.[2]
Right ascension00h 12m 18.8525s[1]
Declination+31° 03′ 39.946″[1]
| NGC 39 | |
|---|---|
SDSS image of NGC 39 | |
| Observation data (J2000 epoch) | |
| Constellation | Andromeda |
| Right ascension | 00h 12m 18.8525s[1] |
| Declination | +31° 03′ 39.946″[1] |
| Redshift | 0.016201[1] |
| Heliocentric radial velocity | 4857 ± 11 km/s[1] |
| Distance | 217.9 ± 15.3 Mly (66.80 ± 4.69 Mpc)[1] |
| Group or cluster | NGC 7831 Group (LGG 1) |
| Apparent magnitude (V) | 13.92[1] |
| Characteristics | |
| Type | SA(rs)c[1] |
| Apparent size (V) | 1.2′ × 1.0′[1] |
| Other designations | |
| IRAS F00097+3047, UGC 114, MCG +05-01-052, PGC 852, CGCG 499-076[1] | |
NGC 7831 Group
Supernova
One supernova has been observed in NGC 39: SN 2024rbc (type Ib, mag. 20.5443) was discovered by Zwicky Transient Facility on 3 August 2024.[4]
