The XMM-LSS survey -: The XMDS/VVDS 4σ catalogue

被引:51
作者
Chiappetti, L
Tajer, M
Trinchieri, G
Maccagni, D
Maraschi, L
Paioro, L
Pierre, M
Surdej, J
Garcet, O
Gosset, E
Le Fèvre, O
Bertin, E
McCracken, HJ
Mellier, Y
Foucaud, S
Radovich, M
Ripepi, V
Arnaboldi, M
机构
[1] IASF, INAF, Sez Milano G Occhialini, I-20133 Milan, Italy
[2] Observ Brera, INAF, I-20121 Milan, Italy
[3] CEA, DSM, DAPNIA, Serv Astrophys, F-91191 Gif Sur Yvette, France
[4] Univ Liege, Inst Astrophys & Geophys, B-4000 Liege, Belgium
[5] Univ Milan, Dipartimento Fis, I-20126 Milan, Italy
[6] Lab Astrophys Marseille, F-13376 Marseille, France
[7] Inst Astrophys, F-75014 Paris, France
[8] Osserv Astron Capodimonte, INAF, I-80131 Naples, Italy
[9] Osserv Astron Torino, INAF, I-10025 Pino Torinese, Italy
关键词
X-ray : general; surveys; quasars : general; catalogs;
D O I
10.1051/0004-6361:20042583
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present a first catalogue of X-ray sources resulting from the central area of the XMM-LSS (Large Scale Structure survey). We describe the reduction procedures and the database tools we developed and used to derive a well defined catalogue of X-ray sources. The present catalogue is limited to a sub-sample of 286 sources detected at 4 sigma in the 1 deg(2) area covered by the photometric VVDS (VIRMOS VLT Deep Survey), which allows us to provide optical and radio identifications. We also discuss the X-ray properties of a larger X-ray sample of 536 sources detected at > 4 sigma in the full 3 deg(2) area of the XMM Medium Deep Survey (XMDS) independently of the optical identification. We also derive the log N - log S relationship for a sample of more than one thousand sources that we discuss in the context of other surveys at similar fluxes.
引用
收藏
页码:413 / U126
页数:16
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