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  • The Chandra Deep Protocluster Survey: Lyα Blobs are powered by heating, not cooling 

    Geach, J. E.; Alexander, D. M.; Lehmer, B. D.; Smail, Ian; Matsuda, Y.; Chapman, S. C.; Scharf, C. A.; Ivison, R. J.; Volonteri, M.; Yamada, T.; Blain, A. W.; Bower, R. G.; Bauer, F. E.; Basu-Zych, A. (2009-07-20)
    We present the results of a 400ks Chandra survey of 29 extended Ly-alpha emitting nebulae (Ly-alpha Blobs, LABs) in the z=3.09 proto-cluster in the SSA22 field. We detect luminous X-ray counterparts in five LABs, implying ...