NGC 252
Lenticular galaxy in constellation Andromeda
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NGC 252 is a lenticular galaxy located in the constellation Andromeda. It was discovered by William Herschel in 1786.[4]
Right ascension00h 48m 01.484s[1]
Declination+27° 37′ 25.76″[1]
| NGC 252 | |
|---|---|
SDSS image of NGC 252 | |
| Observation data (J2000 epoch) | |
| Constellation | Andromeda |
| Right ascension | 00h 48m 01.484s[1] |
| Declination | +27° 37′ 25.76″[1] |
| Redshift | 0.016471[2] |
| Heliocentric radial velocity | 4938[2] |
| Distance | 245.54 ± 31.56 Mly (75.283 ± 9.677 Mpc)[2] |
| Apparent magnitude (V) | 13.4 |
| Apparent magnitude (B) | 12.49 |
| Characteristics | |
| Type | (R)SA0+(r)[2] |
| Size | 121.4 kly (37.23 kpc)[2] |
| Apparent size (V) | 1.7′ × 1.309′[2] |
| Other designations | |
| UGC 491, MGC+04-03-004, PGC 2819[3] | |
One supernova has been observed in NGC 252: SN 1998de (type Ia, mag. 18.4) was discovered by the Lick Observatory Supernova Search (LOSS) on 23 July 1998.[5][6]
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