NGC 257
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| NGC 257 | |
|---|---|
 SDSS image of NGC 257 | |
| Observation data (J2000 epoch) | |
| Constellation | Pisces |
| Right ascension | 00h 48m 01.510s[1] |
| Declination | +08° 17′ 49.45″[1] |
| Redshift | 0.017592[2] |
| Heliocentric radial velocity | 5274 km/s[2] |
| Distance | 219.64 ± 34.73 Mly (67.343 ± 10.649 Mpc)[2] |
| Apparent magnitude (B) | 13.7[3] |
| Characteristics | |
| Type | Scd?[2] |
| Size | 141,000 ly (43,100 pc)[2][note 1] |
| Apparent size (V) | 3.0′ × 2.5′[2] |
| Other designations | |
| UGC 493, MGC+01-03-003, PGC 2818 | |
NGC 257 is a spiral galaxy in the Pisces constellation. It was discovered on December 29, 1790, by Frederick William Herschel.[4]
References
[edit | edit source]- ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ a b c d e f Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
Notes
[edit | edit source]- ^ POSS1 103a-O values used.
External links
[edit | edit source]- Error creating thumbnail: File missing Media related to Lua error in Module:Commons_link at line 62: attempt to index field 'wikibase' (a nil value). at Wikimedia Commons
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