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Revision as of 20:14, 8 May 2017
| NGC 523 | |
|---|---|
| File:NGC 0523 SDSS.jpg | |
| Observation data | |
| Constellation | Andromeda |
| Right ascension | 1 23.3 00 |
| Declination | +34° 02′ 00″ |
| Redshift | 0.0159 |
| Heliocentric radial velocity | 4758 +/- 4 km/s |
| Galactocentric velocity | 4904 +/- 7 km/s |
| Distance | 219 million light years away |
| Absolute magnitude (V) | 12.7 |
| Characteristics | |
| Type | SBc/P |
| Apparent size (V) | 2.5 feet x 42 inches |
| Other designations | |
| NGC 537, 4ZW 45, Arp 158, CGCG 521-22, IRAS 01225+3345, MCG 6-4-18, PGC 5268, UGC 979, V V 783 | |
NGC 523, also known as NGC 537, 4ZW 45, Arp 158, CGCG 521-22, IRAS 01225+3345, MCG 6-4-18, PGC 5268, UGC 979, and V V 783, is a galaxy located in the constellation Andromeda. It was discovered separately by William Herschel on September 13, 1784, and by Heinrich d'Arrest on August 13, 1862. d'Arrest's discovery was listed as NGC 523, while Herschel's was listed as NGC 537; the two are one and the same. John Dreyer noted in the New General Catalogue that NGC 523 had a double nebula.
References
- ^ Frommert, Hartmut. "NGC 523". spider.seds.org.
- ^ Rojas, Sebastián García. "Galaxy NGC 523 · Deep Sky Objects Browser". DSO Browser.
- ^ "Your NED Search Results". ned.ipac.caltech.edu.
- "New General Catalog Objects: NGC 500 - 549". cseligman.com.
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