activity
19992021
most citedEvidence for PopIII-like stellar populations in the most luminous Lyman- emitters at the epoch of re-ionisation: spectroscopic confirmation

332 citations · 1.2k across the 17 of their papers we have counts for

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5 papers · 1 filter

astro-ph2005★ 7 cited

The XMM Large-Scale Structure Survey: An initial sample of galaxy groups and clusters to a redshift z<0.6

J. P. Willis, F. Pacaud, I. Valtchanov +14

We present X-ray and optical spectroscopic observations of twelve galaxy groups and clusters identified within the XMM Large-Scale Structure (LSS) survey. Groups and clusters are s…

astro-ph2003★ 54 cited

The XMM-LSS Survey. First high redshift galaxy clusters: relaxed and collapsing systems

I. Valtchanov, M. Pierre, J. Willis +11

We present five newly found galaxy clusters at z>0.6 from the XMM Large-Scale Structure Survey (XMM-LSS). All five objects are extended X-ray sources in the XMM images. For three o…

astro-ph2001

A Comparison of the EUV and X-Ray Emission Profiles in Six Clusters of Galaxies

F. Durret, S. Dos Santos, R. Lieu

We have performed the wavelet analysis and image reconstructions for six clusters of galaxies observed both at extreme ultraviolet and X-ray energies. The comparison of the profile…

astro-ph2000★ 148 cited

XMM-Newton observations of M87 and Its X-Ray Halo

H. Boehringer, E. Belsole, J. Kennea +10

We report performance verification observations of the giant elliptical galaxy M87 in the Virgo Cluster with the MOS, pn, and optical monitor instruments on board of XMM-Newton. Wi…

astro-ph1999

Celestial Origin of the Extended EUV Emission from the Abell 2199 and Abell 1795 Clusters of Galaxies

Richard Lieu, Jonathan P. D. Mittaz, Massimiliano Bonamente +3

Several authors (S. Bowyer, T. Berghoeffer, and E. Korpela, hereinafter abbreviated as BBK) recently announced that the luminous extended EUV radiation from the clusters Abell 1795…