The X-ray Point Source Population of NGC 300

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

NGC 300 was observed by the Chandra X-ray Observatory on 24 Sept. 2010 for 63 ks as part of the Chandra Local Volume Survey. Roughly one hundred highly significant X-ray point sources were detected down to a limiting luminosity of 1035 erg/s, including high- and low-mass X-ray binaries, supernova remnants, and background AGN. Many of these X-ray sources have been tentatively classified using X-ray color-color diagrams, spectral modeling, and temporal variability analysis. We have additionally examined the radial source distribution and X-ray luminosity function of NGC 300. The high quality of our Chandra X-ray data has enabled us to perform a detailed study of the X-ray emission associated with the SN 2010da outburst (a suspected high mass X-ray binary) and the Wolf-Rayet + black hole binary NGC 300 X-1. This work has been supported by Chandra grant GO1-12118X.

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