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Galaxies at the Detection Limits of Deep X-ray Surveys

Published online by Cambridge University Press:  26 May 2016

Richard E. Griffiths ,
Takamitsu Miyaji  and
Adam Knudson
Richard E. Griffiths
Affiliation:
Carnegie Mellon University, Pittsburgh, PA 15213, USA
Takamitsu Miyaji
Affiliation:
Carnegie Mellon University, Pittsburgh, PA 15213, USA
Adam Knudson
Affiliation:
Carnegie Mellon University, Pittsburgh, PA 15213, USA

Abstract

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The great sensitivities of the Chandra X-ray Observatory and XMM-Newton are allowing us to explore the X-ray emission from galaxies at moderate to high redshift. By using the stacking method, we show that we can detect the ensemble emission from normal elliptical, spiral and irregular galaxies out to redshifts approaching one. The average X-ray luminosity can then be compared with the results of models of the evolution in the numbers of X-ray binaries and can possibly be used to constrain models of star formation.

Type
Part 7 Normal Galaxies and Clusters
Information
Symposium - International Astronomical Union , Volume 214: High Energy Processes and Phenomena in Astrophysics , 2003 , pp. 246 - 253
Copyright
Copyright © Astronomical Society of the Pacific 2003 

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