XMM-Newton View of the Hubble Deep Field-North and Groth-Westphal Strip Regions

Details XMM-Newton View of the Hubble Deep Field-North and Groth-Westphal Strip Regions XMM-Newton View of the Hubble Deep Field-North and Groth-Westphal Strip Regions

2002-11-14

arxiv.org/abs/astro-ph/0211343v2

Astron.Nachr.324:24,2003

Astronomy and Astrophysics

Astrophysics

Replaced Fig. 3 which had an incorrect data point. Astron. Nachr. issue dedicated to the proceedings of the workshop "X-ray Su

Scientific paper

10.1002/asna.200310007

We report the progress on our analysis of two deep XMM observations in the areas of Hubble Deep Field-North and the Groth-Westphal Strip field. We present the source detection method, Monte-Carlo simulation on source detection, and our preliminary Log N -- Log S relations. Comparing these two fields and other fields in literature, we find up to 30% variations in number counts near our flux limits, which is most likely to be due to cosmic variance. This serves as a pilot study for a more systematic investigation. The nature of the X-ray sources in the Groth-Westphal field is also discussed in terms of hardness ratios, morphology and spectroscopic properties.

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