Hot Gas and Nuclear X-ray Emission from Early Type Galaxies
Abstract
Using Chandra observations of 200 early-type galaxies, we determine their gas masses, the X-ray luminosities of supermassive black holes in their nuclei, and the frequency of multiple supermassive black holes as a function of galaxy mass. We find that extended X-ray emission from hot gas is nearly universal in luminous, massive galaxies, but very rare in optically faint galaxies. We also find that nuclear X-ray emission is common in galaxies of all masses and is correlated with the nuclear radio emission.
- Publication:
-
AAS/High Energy Astrophysics Division #13
- Pub Date:
- April 2013
- Bibcode:
- 2013HEAD...1312011J