Issue |
A&A
Volume 376, Number 2, September II 2001
|
|
---|---|---|
Page(s) | 387 - 392 | |
Section | Cosmology (including clusters of galaxies) | |
DOI | https://doi.org/10.1051/0004-6361:20011015 | |
Published online | 15 September 2001 |
An XMM-Newton view of the serendipitous sources in the PKS0312-770 field*
1
XMM-Newton SOC, Space Science Dept., ESA, ESTEC, 2200AG Noordwijk, The Netherlands
2
XMM-Newton SOC, Space Science Dept., ESA, Villafranca Satellite Tracking Station, 28080 Madrid, Spain
Corresponding author: D. H. Lumb, dlumb@astro.estec.esa.nl
Received:
11
May
2001
Accepted:
5
July
2001
We describe an XMM-Newton observation of the PKS0312-770 field,
which facilitates the spectral analysis of serendipitous sources previously
detected by CHANDRA. The combination of larger effective area and longer exposure
duration allows a significant increase in detected photons, and a lower limit in source
detection sensitivity. In particular the
hard X-ray normal galaxy unveiled by Fiore et al. (2000) is most likely
explained as a moderately absorbed ( cm-2) AGN.
We detect 52 sources (45 previously unreported) at a limiting flux of
~
ergs cm-2 s-1 in the 0.5-2 keV band. The Log N-Log S
curve is consistent with that derived from by XMM-Newton observations of the Lockman Hole field.
The flux determinations allow to check for any
inconsistency between the calibrations of the two observatories, which
is discussed.
© ESO, 2001
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