Astronomy:NGC 4696

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Short description: Elliptical galaxy in the constellation Centaurus
NGC 4696
Ngc4696.jpg
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 ascension 12h 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]

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 "NASA/IPAC Extragalactic Database". Results for NGC 4696. http://nedwww.ipac.caltech.edu/. 
  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. doi:10.1086/318301. Bibcode: 2001ApJ...546..681T. 
  3. ↑ 3.0 3.1 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" (in en). NASA. https://www.nasa.gov/mission_pages/chandra/the-arrhythmic-beating-of-a-black-hole-heart.html. 
  5. ↑ Transient Name Server entry for SN 2017ejb. Retrieved 24 March 2023.

External links

Coordinates: Sky map 12h 48m 49.3s, −41° 18′ 40″




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