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NGC 4696

From Wikipedia, the free encyclopedia

NGC 4696
A multiwavelength image of NGC 4696. X-ray emission is red, radio emission is blue, and infrared emission is green.
Observation data (J2000 epoch)
ConstellationCentaurus
Right ascension12h 48m 49.3s[1]
Declination−41° 18′ 40″[1]
Redshift2958 ± 15 km/s[1]
Distance116 ± 9 Mly (35 ± 3 Mpc)[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 an elliptical galaxy. It lies around 145,000,000 light-years (44,000,000 pc) away in the constellation Centaurus. It is the brightest galaxy in the Centaurus Cluster, a large, rich cluster of galaxies in the constellation of the same name.[3] The galaxy is surrounded by many dwarf elliptical galaxies also located within the cluster.[3] There is believed to be a supermassive black hole at the center of the galaxy.[4]

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

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Transcription

References

  1. ^ a b c d e f g "NASA/IPAC Extragalactic Database". Results for NGC 4696. Retrieved 2006-10-19.
  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. ^ a b A. 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. Retrieved 2017-11-25.
  5. ^ Transient Name Server entry for SN 2017ejb. Retrieved 24 March 2023.

External links



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This page was last edited on 28 June 2023, at 19:39
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