Volume 493, Number 1, January I 2009
|Page(s)||339 - 373|
|Section||Catalogs and data|
|Published online||27 October 2008|
V. The Second XMM-Newton serendipitous source catalogue
Department of Physics & Astronomy, University of Leicester, Leicester, LE1 7RH, UK e-mail: firstname.lastname@example.org
2 Astrophysikalisches Institut Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany
3 AIM, DSM/IRFU/SAp, CEA Saclay, 91191 Gif-sur-Yvette, France
4 Instituto de Fisica de Cantabria (CSIC-UC), Avenida de los Castros, 39005 Santander, Spain
5 CNRS, Université Paul Sabatier & Observatoire Midi-Pyrénées, 9 avenue du Colonel Roche, 31400 Toulouse, France
6 Max-Planck-Institut für Extraterrestrische Physik, Giessenbachstraße 1, 85748 Garching, Germany
7 INAF – Osservatorio Astronomico di Brera, via Brera 28, 20121 Milan, Italy
8 Observatoire Astronomique, UMR 7550 CNRS, Université Louis Pasteur, 11 rue de l'Université, 67000 Strasbourg, France
9 Astrophysikalisches Institut und Universitäts-Sternwarte, Friedrich-Schiller-Universität Jena, Schillergässchen 3, 07745 Jena, Germany
10 INAF – Headquarters, via del Parco Mellini 84, 00136 Rome, Italy
11 Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK
12 Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking, Surrey RH5 6NT, UK
13 ESA/ESAC, Apartado 78, 28691 Villanueva de la Cañada, Madrid, Spain
14 Jodrell Bank Centre for Astrophysics, University of Manchester, Oxford Road, Manchester M13 9PL, UK
15 H.H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol BS8 1TL, UK
16 National Astronomical Observatories of China/Yunnan Observatory, Phoenix Hill, PO Box 110, Kunming, Yunnan, PR China
Accepted: 14 October 2008
Aims. Pointed observations with XMM-Newton provide the basis for creating catalogues of X-ray sources detected serendipitously in each field. This paper describes the creation and characteristics of the 2XMM catalogue.
Methods. The 2XMM catalogue has been compiled from a new processing of the XMM-Newton EPIC camera data. The main features of the processing pipeline are described in detail.
Results. The catalogue, the largest ever made at X-ray wavelengths, contains 246 897 detections drawn from 3491 public XMM-Newton observations over a 7-year interval, which relate to 191 870 unique sources. The catalogue fields cover a sky area of more than 500 deg2. The non-overlapping sky area is ~360 deg2 (~1% of the sky) as many regions of the sky are observed more than once by XMM-Newton. The catalogue probes a large sky area at the flux limit where the bulk of the objects that contribute to the X-ray background lie and provides a major resource for generating large, well-defined X-ray selected source samples, studying the X-ray source population and identifying rare object types. The main characteristics of the catalogue are presented, including its photometric and astrometric properties
Key words: X-rays: general / catalogs / surveys
Based on observations obtained with XMM-Newton, an ESA science mission with instruments and contributions directly funded by ESA Member States and NASA.
© ESO, 2008
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