Initial Results from the Chandra Shallow X-ray Survey in the NDWFS in Bootes

Details Initial Results from the Chandra Shallow X-ray Survey in the NDWFS in Bootes Initial Results from the Chandra Shallow X-ray Survey in the NDWFS in Bootes

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...204.4810m&link_type=abstract

American Astronomical Society Meeting 204, #48.10; Bulletin of the American Astronomical Society, Vol. 36, p.747

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We have used the Chandra X-ray Observatory to carry out a series of 126 short observations (5 ksec each) to cover a contiguous area of the NOAO Deep Wide-Field Survey (NDWFS) in Bootes. These observations were carried out as collaboration of Guest Observer (C. Jones PI) and Guaranteed Time Observer (S. Murray PI) programs. We present here, an initial analysis of the survey data showing the sky coverage, exposure map, and some of the collective properties of the catalog of X-ray sources. The Bootes area was selected to overlap a well studied region where optical and radio data, to sufficent depth, have already been obtained making the identification of candidate counterparts straight forward. In 5 ksec, we reach a limiting flux of ˜ 10-3 ct s-1 (coresponding to ˜ 10-14 erg cm-2}s{-1 0.5-7.0keV). We examined the spatial distribution of the sources in this 9 square degree survey region using several techniques to search for evidence of cosmic varience in the X-ray source density on scales as small as the ACIS-I field of view ( 1/16 square degree). We have also looked for evidence of large scale structures associated with the cosmic web. We report on the results of a 1.4 square degree sample of the complete survey for which matches against the NDWFS have been made.
This work is supported by the the NASA contract NAS8-01130 for the High Resolution Camera, NAS8-39073 for the Chandra X-ray Center, and GO Grant GO3-4176.

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