This is an old revision of this page, as edited by Winhunter (talk | contribs) at 00:05, 29 July 2017 (Reverted 3 edits by 2.25.45.251 (talk) to last revision by Filedelinkerbot. (TW)). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
Revision as of 00:05, 29 July 2017 by Winhunter (talk | contribs) (Reverted 3 edits by 2.25.45.251 (talk) to last revision by Filedelinkerbot. (TW))(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)| NGC 523 | |
|---|---|
| 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. In the Catalogue of Named Galaxies, it is called Insolitus Andromedae, or the odd galaxy. 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.
- Bodifee, Gerard. "Catalogue of One Thousand Named Galaxies" (PDF). Retrieved 21 May 2017.
- "New General Catalog Objects: NGC 500 - 549". cseligman.com.
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