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

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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…