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The XMM-Newton survey in the H-ATLAS field

Abstract: Wide-area X-ray and far-infrared surveys are a fundamental tool to investigate the link between AGN growth and star formation, especially in the low-redshift universe (z ? 1). The Herschel Terahertz Large Area survey (H-ATLAS) has covered 550 deg2 in five far-infrared and sub-mm bands, 16 deg2 of which have been presented in the Science Demonstration Phase (SDP) catalogue. Here we introduce the XMM-Newton observations in the H-ATLAS SDP area, covering 7.1 deg2 with flux limits of 2 × 10-15, 6 × 10-15, and 9 × 10-15 erg s-1 cm-2 in the 0.5-2, 0.5-8, and 2-8 keV bands, respectively. We present the source detection and the catalogue, which includes 1700, 1582, and 814 sources detected by EMLDetect in the 0.5-8, 0.5-2, and 2-8 keV bands, respectively; the number of unique sources is 1816. We extract spectra and derive fluxes from power-law fits for 398 sources with more than 40 counts in the 0.5-8 keV band. We compare the best-fit fluxes with those in the catalogue, which are obtained assuming a common photon index of G = 1.7; we find no bulk difference between the fluxes and a moderate dispersion of s = 0.33 dex. Using the fluxes from the spectral fits wherever possible, we derive the 2-10 keV Log N-Log S, which is consistent with a Euclidean distribution. Finally, we release the computer code for the tools developed for this project.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Astronomy & Astrophysics, 2015, 577, A121

Editorial: EDP Sciences

 Fecha de publicación: 01/05/2015

Nº de páginas: 10

Tipo de publicación: Artículo de Revista

 DOI: 10.1051/0004-6361/201425246

ISSN: 0004-6361,1432-0746

 Proyecto español: AYA2012-31447

Url de la publicación: http://dx.doi.org/10.1051/0004-6361/201425246

Autoría

RANALLI, PIERO

GEORGANTOPOULOS, IOANNIS

KOUTOULIDIS, L.

ROVILOS, EMMANOUEL

AKILAS, A.

DEL MORO, A.

GEORGAKAKIS, A.

GILLI, ROBERTO

VIGNALI, CRISTIAN