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Evolution of X-ray properties of galaxy groups

Pascut, Aurelia (2015)
Ph.D. thesis, University of Birmingham.

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Abstract

This thesis presents the results from the Chandra Deep Group Survey, a survey dedicated to find high redshift groups of galaxies in deepest observations available in the Chandra archive. The catalogue compiled from this survey contains 26 groups and 36 clusters with available redshifts, with largest redshift being 1.3. This sample has been used to investigate the evolution of the thermal state of the gas at the centre of groups and compare this evolution to that of clusters. Different parameters have been used to quantify the strength of cool cores and it has been showed that groups and clusters have similar evolution of their cool core properties. Both classes of systems have a wide spread in the cool core strength at low redshifts, which then narrows at high redshifts showing a lack of strong cool core systems.

Type of Work:Ph.D. thesis.
Supervisor(s):Ponman, Trevor
School/Faculty:Colleges (2008 onwards) > College of Engineering & Physical Sciences
Department:Department of Physics and Astronomy
Additional Information:

Publications from research:

The Chandra Deep Group Survey - cool core evolution in groups and clusters of galaxies
A. Pascut and T. J. Ponman
Monthly Notices of the Royal Astronomical Society 447 (4) 3723 (2015)
http://dx.doi.org/10.1093/mnras/stu2688

Subjects:QB Astronomy
Institution:University of Birmingham
ID Code:6235
This unpublished thesis/dissertation is copyright of the author and/or third parties. The intellectual property rights of the author or third parties in respect of this work are as defined by The Copyright Designs and Patents Act 1988 or as modified by any successor legislation. Any use made of information contained in this thesis/dissertation must be in accordance with that legislation and must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the permission of the copyright holder.
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