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NGC 4551
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| NGC 4551 | |
|---|---|
 SDSS image of NGC 4551 | |
| Observation data (J2000 epoch) | |
| Constellation | Virgo |
| Right ascension | 12h 35m 37.9s[1] |
| Declination | 12° 15′ 50″[1] |
| Redshift | 0.003923[1] |
| Heliocentric radial velocity | 1176 km/s[1] |
| Distance | 67 Mly[2] |
| Group or cluster | Virgo Cluster |
| Apparent magnitude (V) | 12.97[1] |
| Characteristics | |
| Type | E2[1] |
| Size | ~29,340 ly (estimated)[1] |
| Apparent size (V) | 1.8 x 1.4[1] |
| Other designations | |
| CGCG 70-183, MCG 2-32-148, PGC 41963, UGC 7759, VCC 1630[1] | |
NGC 4551 is an elliptical galaxy located about 70 million light-years away[3] in the constellation Virgo.[4] It was discovered by astronomer William Herschel on April 17, 1784.[5] NGC 4551 appears to lie close to the lenticular galaxy NGC 4550. However, both galaxies show no sign of interaction and have different red shifts.[6] Both galaxies are also members of the Virgo Cluster.[7][6]
See also
[edit]References
[edit]- ^ a b c d e f g h i "NASA/IPAC Extragalactic Database". Results for NGC 4551. Retrieved 2017-12-29.
- ^ "parsecs to lightyears conversion". Retrieved 2017-09-30.
- ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-12-30.
- ^ "Revised NGC Data for NGC 4551". spider.seds.org. Retrieved 2017-12-30.
- ^ "New General Catalog Objects: NGC 4550 - 4599". cseligman.com. Retrieved 2017-12-30.
- ^ a b Normandin, George P. "NGC 4550 & 4551, Galaxy Pair". www.kopernik.org. Retrieved 2017-12-30.
- ^ "A List of Nearby Galaxy Groups". www.atlasoftheuniverse.com. Retrieved 2017-12-30.
External links
[edit]
Media related to NGC 4551 at Wikimedia Commons- NGC 4551 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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