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The Subaru/XMM-Newton deep survey (SXDS). III. X-ray data

AuthorsUeda, Yoshihiro; Watson, M. G.; Stewart, Ian M.; Akiyama, Masayuki; Schwope, A.; Lamer, Georg; Ebrero, Jacobo CSIC ORCID; Carrera, Francisco J. CSIC ORCID CVN ; Sekiguchi, Kazuhiro; Yamada, Tohru; Simpson, Chris; Hasinger, Günther; Mateos, Silvia CSIC ORCID
Issue Date2008
PublisherInstitute of Physics Publishing
CitationAstrophysical Journal Supplement 179(1): 124-141 (2008)
AbstractWe present the X-ray source catalog in the Subaru/XMM-Newton deep survey. A continuous area of 1.14 deg2 centered at R.A. = 02 h18m and decl. = -05° is mapped by seven pointings with XMM-Newton covering the 0.2-10 keV band. From the combined images of the EPIC pn and MOS cameras, we detect 866, 1114, 645, and 136 sources with sensitivity limits of 6 × 10-16, 8 × 10-16, 3 × 10-15, and 5 × 10-15 ergs cm-2 s-1 in the 0.5-2, 0.5-4.5, 2-10, and 4.5-10 keV bands, respectively, with detection likelihood ≥7 (corresponding to a confidence level of 99.91%). The catalog consists of 1245 sources in total including 32 extended-source candidates. The averaged log NY-log S relations are in good agreement with previous results, bridging the flux range between Chandra deep surveys and brighter surveys. The log N-log S relations show significant spatial variation among pointings on a scale of 0.2 deg2. Analyzing the autocorrelation function, we detect significant clustering signals from the 0.5-2 keV band sample, which can be fit with a power-law form (θ/θc) -0.8 with a correlation length of θc = 5.9 -0.9 +1.0 arcsec when the integral constraint term is included. In the 2-10 keV band, however, the clustering is not significant with a 90% upper limit of θc < 1.5″.
Publisher version (URL)https://doi.org/10.1086/591083
Identifiersdoi: 10.1086/591083
issn: 0067-0049
e-issn: 1538-4365
Appears in Collections:(IFCA) Artículos
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