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]

NGC 4551
SDSS image of NGC 4551
Observation data (J2000 epoch)
ConstellationVirgo
Right ascension12h 35m 37.9s[1]
Declination12° 15′ 50″[1]
Redshift0.003923[1]
Heliocentric radial velocity1176 km/s[1]
Distance67 Mly[2]
Group or clusterVirgo Cluster
Apparent magnitude (V)12.97[1]
Characteristics
TypeE2[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]

See also

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References

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  1. ^ a b c d e f g h i "NASA/IPAC Extragalactic Database". Results for NGC 4551. Retrieved 2017-12-29.
  2. ^ "parsecs to lightyears conversion". Retrieved 2017-09-30.
  3. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-12-30.
  4. ^ "Revised NGC Data for NGC 4551". spider.seds.org. Retrieved 2017-12-30.
  5. ^ "New General Catalog Objects: NGC 4550 - 4599". cseligman.com. Retrieved 2017-12-30.
  6. ^ a b Normandin, George P. "NGC 4550 & 4551, Galaxy Pair". www.kopernik.org. Retrieved 2017-12-30.
  7. ^ "A List of Nearby Galaxy Groups". www.atlasoftheuniverse.com. Retrieved 2017-12-30.
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