The XXL Survey: XXVII. The 3XLSS point source catalogue

L. Chiappetti, S. Fotopoulou, C. Lidman, L. Faccioli, F. Pacaud, A. Elyiv, S. Paltani, M. Pierre, M. Plionis, C. Adami, S. Alis, B. Altieri, I. Baldry, M. Bolzonella, A. Bongiorno, M. Brown, S. Driver, E. Elmer, P. Franzetti, M. GrootesV. Guglielmo, A. Iovino, E. Koulouridis, J. P. Lefèvre, J. Liske, S. Maurogordato, O. Melnyk, M. Owers, B. Poggianti, M. Polletta, E. Pompei, T. Ponman, A. Robotham, T. Sadibekova, R. Tuffs, I. Valtchanov, C. Vignali, G. Wagner

Research output: Contribution to journalArticle (Academic Journal)

Abstract

We present the version of the point source catalogue of the XXL Survey that was used, in part, in the first series of XXL papers. In this paper we release, in our database in Milan and at CDS: (i) the X-ray source catalogue with 26 056 objects in two areas of 25 deg2 with a flux limit (at 3σ) of 10-15 erg s-1 cm-2 in [0.5-2] keV, and 3 × 10-15 erg s-1 cm-2 in [2-10] keV, yielding a 90% completeness limit of 5.8 × 10-15 and 3.8 × 10-14 respectively;(ii) the associated multiwavelength catalogues with candidate counterparts of the X-ray sources in the infrared, near-infrared, optical, and ultraviolet (plus spectroscopic redshift when available); and (iii) a catalogue of spectroscopic redshifts recently obtained in the southern XXL area. We also present the basic properties of the X-ray point sources and their counterparts. Other catalogues described in the second series of XXL papers will be released contextually, and will constitute the second XXLdata release. Based on observations obtained with XMM-Newton, an ESA science mission with instruments and contributions directly funded by ESA Member States and NASA.xxlpointings, 3XLSS, 3XLSSOPTN, 3XLSSOPTS, and XXL_AAOmega_16 database tables are also available at the CDS via anonymous ftp to http://cdsarc.u-strasbg.fr (ftp://130.79.128.5) or via http://cdsarc.u-strasbg.fr/vizbin/qcat?J/A+A/620/A12...
Original languageEnglish
JournalAstronomy and Astrophysics
DOIs
Publication statusPublished - Nov 2018

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    Chiappetti, L., Fotopoulou, S., Lidman, C., Faccioli, L., Pacaud, F., Elyiv, A., Paltani, S., Pierre, M., Plionis, M., Adami, C., Alis, S., Altieri, B., Baldry, I., Bolzonella, M., Bongiorno, A., Brown, M., Driver, S., Elmer, E., Franzetti, P., ... Wagner, G. (2018). The XXL Survey: XXVII. The 3XLSS point source catalogue. Astronomy and Astrophysics. https://doi.org/10.1051/0004-6361/201731880