NGC 1531 is a dwarf galaxy in the constellation Eridanus that is interacting with the larger spiral galaxy NGC 1532.[2] It was discovered by John Herschel on 19 October 1835.[3] Although technically classified as a peculiar lenticular galaxy, the galaxy's structure is better described as amorphous.[2]
| NGC 1531 | |
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NGC 1531 (above) with large barred spiral galaxy NGC 1532 | |
| Observation data (J2000 epoch) | |
| Constellation | Eridanus |
| Right ascension | 04h 11m 59.3s[1] |
| Declination | −32° 51′ 03″[1] |
| Redshift | 1169 ± 29 km/s[1] |
| Distance | 42.4 million light-years |
| Apparent magnitude (V) | 12.9[1] |
| Characteristics | |
| Type | S0 pec[1] |
| Size | ~15 kly (diameter) |
| Apparent size (V) | 1′.3 × 0′.9[1] |
| Other designations | |
| PGC 14635[1] | |
New General Catalogue 1500 to 1999 | |
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Constellation of Eridanus | |||||||||||||
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