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NGC 4696

Coordinates:Sky map12h 48m 49.3s, −41° 18′ 40″
From Wikipedia, the free encyclopedia
Elliptical galaxy in the constellation Centaurus
NGC 4696
A multiwavelength image of NGC 4696.X-ray emission is red,radio emission is blue, andinfrared emission is green.
Observation data (J2000epoch)
ConstellationCentaurus
Right ascension12h 48m 49.3s[1]
Declination−41° 18′ 40″[1]
Redshift2958 ± 15 km/s[1]
Distance116 ± 9Mly (35 ± 3Mpc)[2]
Apparent magnitude (V)11.4[1]
Characteristics
TypeE1 pec[1]
Apparent size (V)4.5 × 3.2[1]
Other designations
PGC 43296[1]

NGC 4696 is anelliptical galaxy. It lies around 145,000,000 light-years (44,000,000 pc) away in theconstellationCentaurus. It is the brightest galaxy in theCentaurus Cluster, a large, richcluster of galaxies in the constellation of the same name.[3] The galaxy is surrounded by manydwarf elliptical galaxies also located within the cluster.[3] There is believed to be asupermassive black hole at the center of the galaxy.[4]

Onesupernova, SN 2017ejb (type Ia, mag. 17.2), was discovered in NGC 4696 on 28 May, 2017.[5]

References

[edit]
  1. ^abcdefg"NASA/IPAC Extragalactic Database".Results for NGC 4696. Retrieved2006-10-19.
  2. ^J. L. Tonry; A. Dressler; J. P. Blakeslee; E. A. Ajhar; et al. (2001). "The SBF Survey of Galaxy Distances. IV. SBF Magnitudes, Colors, and Distances".Astrophysical Journal.546 (2):681–693.arXiv:astro-ph/0011223.Bibcode:2001ApJ...546..681T.doi:10.1086/318301.S2CID 17628238.
  3. ^abA. Sandage; J. Bedke (1994).Carnegie Atlas of Galaxies. Washington, D.C.:Carnegie Institution of Washington.ISBN 978-0-87279-667-6.
  4. ^Mohon, Lee (2017-04-18)."The Arrhythmic Beating of a Black Hole Heart".NASA. Retrieved2017-11-25.
  5. ^Transient Name Server entry for SN 2017ejb. Retrieved 24 March 2023.

External links

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