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J/A+A/476/1191 XMM-Newton serendipitous survey. IV (Barcons+, 2007)
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Beginning of ReadMe :J/A+A/476/1191 XMM-Newton serendipitous survey. IV (Barcons+, 2007)
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The XMM-Newton serendipitous survey.
IV. Optical identification of the XMM-Newton medium sensitivity survey (XMS).
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 T., Borisov N., Bremer M., Bromage G.E., Brunner H.,
Caccianiga A., Crawford C.S., Cropper M.S., Della Ceca R., Derry P.,
Fabian A.C., Guillout P., Hashimoto Y., Hasinger G., Hassall B.J.M.,
Lamer G., Loaring N.S., Maccacaro T., Mason K.O., McMahon R.G., Mirioni L.,
Mittaz J.P.D., Motch C., Negueruela I., Osborne J.P., Panessa F.,
Perez-Fournon I., Pye J.P., Roberts T.P., Rosen S., Schartel N.,
Schurch N., Schwope A., Severgnini P., Sharp R., Stewart G.C., Szokoly G.,
Ullan A., Ward M.J., Warwick R.S., Wheatley P.J., Webb N.A., Worrall D.,
Yuan W., Ziaeepour H.
<Astron. Astrophys., 476, 1191-1203 (2007)>
=2007A&A...476.1191B
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ADC_Keywords: X-ray sources ; Galaxy catalogs ; Galaxies, photometry
Keywords: X-rays: general - X-rays: galaxies - X-rays: stars - galaxies: active
Abstract:
X-ray sources at intermediate fluxes (a few x10^-14^erg/cm^2^/s) with
a sky density of 100deg^-2^ are responsible for a significant fraction
of the cosmic X-ray background at various energies below 10keV. The
aim of this paper is to provide an unbiased and quantitative
description of the X-ray source population at these fluxes and in
various X-ray energy bands.
We present the XMM-Newton Medium sensitivity Survey (XMS), including a
total of 318 X-ray sources found among the serendipitous content of 25
XMM-Newton target fields. The XMS comprises four largely overlapping
source samples selected at soft (0.5-2keV), intermediate (0.5-4.5keV),
hard (2-10keV) and ultra-hard (4.5-7.5keV) bands, the first three of
them being flux-limited.