X-ray Processing of ChaMPlane Fields: Methods and Initial Results for Selected Anti-Galactic Center Fields
| Autor: | Silas Laycock, Xavier Koenig, Jonathan E. Grindlay, Maureen van den Berg, Eric M. Schlegel, Jaesub Hong, Ping Zhao |
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| Rok vydání: | 2005 |
| Předmět: |
Physics
Active galactic nucleus 010308 nuclear & particles physics Plane (geometry) Astrophysics::High Energy Astrophysical Phenomena Galactic Center Astrophysics (astro-ph) X-ray FOS: Physical sciences Astronomy and Astrophysics Astrometry Astrophysics Astrophysics::Cosmology and Extragalactic Astrophysics 01 natural sciences Photometry (astronomy) Space and Planetary Science Bulge 0103 physical sciences 010303 astronomy & astrophysics Astrophysics::Galaxy Astrophysics Quantile |
| DOI: | 10.48550/arxiv.astro-ph/0509782 |
| Popis: | We describe the X-ray analysis procedure of the on-going Chandra Multiwavelength Plane (ChaMPlane) survey and report the initial results from the analysis of 15 selected anti-Galactic center observations (90 deg < l < 270 deg). We describe the X-ray analysis procedures for ChaMPlane using custom-developed analysis tools appropriate for Galactic sources but also of general use: optimum photometry in crowded fields using advanced techniques for overlapping sources, rigorous astrometry and 95% error circles for combining X-ray images or matching to optical/IR images, and application of quantile analysis for spectral analysis of faint sources. We apply these techniques to 15 anti-Galactic center observations (of 14 distinct fields) in which we have detected 921 X-ray point sources. We present logN-logS distributions and quantile analysis to show that in the hard band (2 - 8 keV) active galactic nuclei dominate the sources. Complete analysis of all ChaMPlane anti-Galactic center fields will be given in a subsequent paper, followed by papers on sources in the Galactic center and Bulge regions. 13 pages, 5 figures, 8 tables, accepted in ApJ for publication |
| Databáze: | OpenAIRE |
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