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The XMM Cluster Survey: X-ray analysis methodology
E. J. Lloyd-Davies, A. Kathy Romer, Nicola Mehrtens +20
The XMM Cluster Survey (XCS) is a serendipitous search for galaxy clusters using all publicly available data in the XMM-Newton Science Archive. Its main aims are to measure cosmolo…
Implications of multiple high-redshift galaxy clusters
Ben Hoyle, Raul Jimenez, Licia Verde
To date, 14 high-redshift (z>1.0) galaxy clusters with mass measurements have been observed, spectroscopically confirmed and are reported in the literature. These objects should be…
The XMM Cluster Survey: The build up of stellar mass in Brightest Cluster Galaxies at high redshift
J. P. Stott, C. A. Collins, M. Sahlen +14
We present deep J and Ks band photometry of 20 high redshift galaxy clusters between z=0.8-1.5, 19 of which are observed with the MOIRCS instrument on the Subaru Telescope. By usin…
The XMM Cluster Survey: Active Galactic Nuclei and Starburst Galaxies in XMMXCS J2215.9-1738 at z=1.46
Matt Hilton, Ed Lloyd-Davies, S. Adam Stanford +11
We use Chandra X-ray and Spitzer infrared observations to explore the AGN and starburst populations of XMMXCS J2215.9-1738 at z=1.46, one of the most distant spectroscopically conf…
Will Multiple Probes of Dark Energy find Modified Gravity?
Charles Shapiro, Scott Dodelson, Ben Hoyle +2
One of the most pressing issues in cosmology is whether general relativity (GR) plus a dark sector is the underlying physical theory or whether a modified gravity model is needed.…
Galaxy Zoo: Bars in Disk Galaxies
Karen L. Masters, Robert C. Nichol, Ben Hoyle +8
We present first results from Galaxy Zoo 2, the second phase of the highly successful Galaxy Zoo project (www.galaxyzoo.org). Using a volume-limited sample of 13665 disk galaxies (…