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| '''NGC 523''', also known as '''Arp 158''', from the ] catalog is a ] located in the constellation ].<ref name="NGC"/> It was discovered separately by ] on September 13, ], and by ] on August 13, ]. d'Arrest's discovery was listed as NGC 523, while Herschel's was listed as NGC 537; the two are one and the same.<ref name="prof">{{cite web|url=http://cseligman.com/text/atlas/ngc5.htm#523|title=New General Catalog Objects: NGC 500 - 549|website=cseligman.com}}</ref> ] noted in the ] that NGC 523 is a double nebula.<ref name="NGC"/> | '''NGC 523''', also known as '''Arp 158''', from the ] catalog is a ] located in the constellation ].<ref name="NGC"/> It was discovered separately by ] on September 13, ], and by ] on August 13, ]. d'Arrest's discovery was listed as NGC 523, while Herschel's was listed as NGC 537; the two are one and the same.<ref name="prof">{{cite web|url=http://cseligman.com/text/atlas/ngc5.htm#523|title=New General Catalog Objects: NGC 500 - 549|website=cseligman.com}}</ref> ] noted in the ] that NGC 523 is a double nebula.<ref name="NGC"/> | ||
| == See also == | == See also == | ||
Revision as of 18:13, 5 October 2018
| NGC 523 | |
|---|---|
 NGC 523 as seen on SDSS | |
| Observation data (J2000 epoch) | |
| Constellation | Andromeda |
| Right ascension | 01 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 |
| Apparent magnitude (V) | 12.7 |
| Apparent magnitude (B) | 13.5 |
| 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 Arp 158, from the ARP catalog is a spiral 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 is a double nebula.
See also
External links
- NGC 523 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
- SEDS
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.
| Astronomical catalogs | |
|---|---|
| NGC | |
| PGC | |
| UGC | |
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