NGC 4696 explained

NGC 4696 is an elliptical galaxy. It lies around 145000000ly 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]

External links

• • http://www.eurekalert.org/pub_releases/2010-08/eic-n4a081010.php
• http://apod.nasa.gov/apod/ap161207.html

Notes and References

1. Web site: NASA/IPAC Extragalactic Database . Results for NGC 4696 . 2006-10-19 .
2. J. L. Tonry . 4 . A. Dressler . J. P. Blakeslee . E. A. Ajhar . A. B. Fletcher . G. A. Luppino . M. R. Metzger . C. B. Moore . The SBF Survey of Galaxy Distances. IV. SBF Magnitudes, Colors, and Distances . Astrophysical Journal . 2001 . 546 . 2 . 681–693 . 2001ApJ...546..681T . 10.1086/318301 . astro-ph/0011223 . 17628238 .
3. Book: A. Sandage . J. Bedke. 1994. Carnegie Atlas of Galaxies. Carnegie Institution of Washington. Washington, D.C.. 978-0-87279-667-6.
4. News: The Arrhythmic Beating of a Black Hole Heart. Mohon. Lee. 2017-04-18. NASA. 2017-11-25. en.
5. https://www.wis-tns.org/object/2017ejb Transient Name Server entry for SN 2017ejb.