The XMM-Newton serendipitous survey. IV, Optical identification of the XMM-Newton medium sensitivity survey (XMS) \ud

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Barcons, X.; Carrera, F. J.; Ceballos, M. T.; Page, M. J.; Bussons-Gordo, J.; Corral, A.; Ebrero, J.; Mateos, S.; Tedds, J. A.; Watson, M. G.; Baskill, D.; Birkinshaw, M.; Boller, B.; Borisov, N. V.; Bremer, M. N.; Bromage, Gordon; Brunner, H.; Caccianiga, A.; Crawford, C. S.; Cropper, Mark; Della Ceca, R.; Derry, P.; Fabian, A. C.; Guillout, P.; Hashimoto, Y.; Hasinger, Günther; Hassall, B. J. M.; Lamer, G.; Loaring, N. S.; Maccacaro, T.; ... view all 57 authors
(2007)
  • Publisher: EDP Sciences
  • Identifiers: doi: 10.1051/0004-6361:20077606
  • Subject: QB
    arxiv: Astrophysics::High Energy Astrophysical Phenomena | Astrophysics::Cosmology and Extragalactic Astrophysics

Aims. X-ray sources at intermediate fluxes (a few ×10−14 erg cm−2 s−1) with a sky density of ∼100 deg−2 are responsible for a significant fraction of the cosmic X-ray background at various energies below 10 keV. The aim of this paper is to provide an unbiased and quanti... View more
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