X-ray observations of sub-mm LABOCA galaxies in the eCDFSReport as inadecuate



 X-ray observations of sub-mm LABOCA galaxies in the eCDFS


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We explore the X-ray properties of the 126 sub-mm galaxies SMGs of the LABOCA survey in the CDFS and the eCDFS regions. SMGs are believed to experience massive episodes of star-formation. Our goal is to examine whether star-formation coexists with AGN activity, determine the fraction of highly obscured AGN and finally to obtain an idea of the dominant power-mechanism in these sources. Using Spitzer and radio arc-second positions for the SMGs, we find 14 sources with significant X-ray detections. For most of these there are only photometric redshifts available, with their median redshift being ~2.3. Taking into account only the CDFS area which has the deepest X-ray observations, we estimate an X-ray AGN fraction of



Author: I. Georgantopoulos; E. Rovilos; A. Comastri

Source: https://archive.org/







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