NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2018-12-13 T09:27:12 PST
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For refcode 2005A&A...435..799T:
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Copyright by European Southern Observatory (ESO). Reproduced by permission
2005A&A...435..799T A sample of X-ray emitting normal galaxies from the BMW-HRI Catalogue M. Tajer, G. Trinchieri, A. Wolter, S. Campana, A. Moretti and G. Tagliaferri Received 23 June 2004 / Accepted 16 December 2004 We obtained a sample of 143 normal galaxies with X-ray luminosity in the range 10^38^-10^43^ erg s^-1^ from the cross-correlation of the ROSAT HRI Brera Multi-scale Wavelet (BMW-HRI) Catalogue with the Lyon-Meudon Extragalactic Database (LEDA). We find that the average X-ray properties of this sample are in good agreement with those of other samples of galaxies in theliterature. We selected a complete flux limited serendipitous sample of 32 galaxies from which we derived the log N- log S distribution of normal galaxies in the flux range 1.1- 110 x 10^-14^ erg cm^-2^ s^-1^. The resulting distribution is consistent with the Euclidean -1.5 slope. Comparisons with other samples, such as the Extended Medium Sensitivity Survey, the ROSAT All Sky Survey, the XMM-Newton/2dFsurvey, and the Chandra Deep Field Survey indicate that the log N- log S distribution of normal galaxies is consistent with a Euclidean slope over a flux range of about 6 decades. Keywords: X-ray: galaxies, galaxies: general, surveys
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