Chandra Observations of the Bootes 9 square degree Field

Details Chandra Observations of the Bootes 9 square degree Field Chandra Observations of the Bootes 9 square degree Field

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aas...203.9008k&link_type=abstract

American Astronomical Society Meeting 203, #90.08; Bulletin of the American Astronomical Society, Vol. 35, p.1351

Astronomy and Astrophysics

Astronomy

Scientific paper

We present X-ray results from Chandra observations of the Bootes 9 square degree survey field. This field corresponds to the northern half of the National Optical Astronomy Observatory (NOAO) Deep Wide Field Survey (NDWFS).
In March 2003, the Chandra X-ray Observatory (CXO) completed 126 ACIS-I observations each of approximately 5ksec seconds in duration. These observations were centered on right ascension α J2000 ≈ 14hr}32{min and declination δ J2000 ≈ 34° }06{min and were arranged in a mosaic with a total field of view of ˜ 9.3 square degrees. This unique set of observations allows the calculation of X-ray source statistics over a wide, contiguous field of view with unprecedented angular resolution and uniform coverage.
In our full band (0.5-7keV) sample we detect ˜ 3000 point and ˜ 40 extended sources. Limiting the point source list to sources with ≥ 4 counts, and assuming a simple AGN-type power law spectrum, these observations reach a flux of ˜ 4 × 10-15 ergs cm-2 s-1 in the 0.5-2 keV band, ˜ 2 × 10-14 ergs cm-2 s-1 in the 2-10keV band and ˜ 8 × 10-15 ergs cm-2 s-1 in the 5-10keV band.
We present the number of sources per flux density interval (N(S)). We present hardness ratios and we examine the distribution of X-ray sources for evidence of large scale structure. We discuss our analysis techniques and related Monte Carlo simulations. Funding for this research was provided in part by NASA contracts NAS8-38248, NAS8-01130,NAS8-39073 and GO grant GO3-4176A.

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