| NGC 4492 | |
|---|---|
 Pan-STARRS image of NGC 4492 | |
| Observation data (J2000 epoch) | |
| Constellation | Virgo |
| Right ascension | 12h 30m 59.7s[1] |
| Declination | 08° 04′ 40″[1] |
| Redshift | 0.005804/1740 km/s[1] |
| Distance | 90,950,000 ly[2][3] |
| Apparent magnitude (V) | 13.0[1] |
| Characteristics | |
| Type | SA(s)a?[1] |
| Size | ~33,450 ly (estimated)[1] |
| Apparent size (V) | 1.58 x 1.25[1] |
| Other designations | |
| IC 3438, PGC 41383, UGC 7656, VCC 1330[1] | |
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NGC 4492 is a spiral galaxy[4] located about 90 million light-years away [2] in the constellation Virgo.[5] NGC 4492 was discovered by astronomer William Herschel on December 28, 1785. It was rediscovered by astronomer Arnold Schwassmann on January 23, 1900, and was listed as IC 3438.[6] NGC 4492 lies in the direction of the Virgo Cluster. However, it is not considered to be a member of that cluster.[7]
- ^ a b c d e f g h "NASA/IPAC Extragalactic Database". Results for NGC 4492. Retrieved 2017-10-25.
- ^ a b Carmen Toribio, M.; Solanes, Jose M. (10 November 2009). "H i DISTRIBUTION AND TULLY–FISHER DISTANCES OF GAS-POOR SPIRAL GALAXIES IN THE VIRGO CLUSTER REGION". The Astronomical Journal. 138 (6): 1957–1968. arXiv:0909.3615. Bibcode:2009AJ....138.1957T. doi:10.1088/0004-6256/138/6/1957. S2CID 15207214.
- ^ "parsecs to lightyears conversion". Retrieved 2017-09-30.
- ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-10-27.
- ^ Rojas, Sebastián García. "Galaxy NGC 4492 - Spiral Galaxy in Virgo Constellation · Deep Sky Objects Browser". DSO Browser. Retrieved 2017-10-27.
- ^ "New General Catalog Objects: NGC 4450 - 4499". cseligman.com. Retrieved 2017-10-27.
- ^ Cite error: The named reference
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