AbstractWe describe the results of a search for diffuse sources in the 0.4 deg2 area of the XMM-Newton 770 ks survey of the Lockman Hole. An abundant population of sources is revealed, which is likely to stem from low-mass galaxy clusters at redshift near 1. We present the optical images in the K′ and R-bands for our candidates, suggesting a concentration of red galaxies at the position of the X-ray sources. Together with our improved understanding of the baryon physics in low-mass clusters these results reveal the important role that deep X-ray surveys will play in cosmological studies.


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    Titel :

    New cluster candidates in the extended XMM Lockman Hole field


    Beteiligte:
    Finoguenov, A. (Autor:in) / Streblyanska, A. (Autor:in) / Hasinger, G. (Autor:in) / Hashimoto, Y. (Autor:in) / Szokoly, G. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 36 , 4 ; 710-714


    Erscheinungsdatum :

    2004-12-08


    Format / Umfang :

    5 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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