Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21341705g&link_type=abstract
American Astronomical Society, AAS Meeting #213, #417.05; Bulletin of the American Astronomical Society, Vol. 41, p.230
Astronomy and Astrophysics
Astronomy
Scientific paper
The Chandra ACIS Survey of M33 (ChASeM33) is a deep survey of the nearest face-on Spiral Galaxy. The 1.4 Ms survey covers the galaxy out to R 18 arcmin ( 4 kpc at 790 kpc), providing the most extensive high spatial resolution assessment of the X-ray source populations available for M33. Mosaic images of the ChASeM33 observations show several hundred individual X-ray sources as well as soft diffuse emission from the hot interstellar medium. Bright extended emission surrounds the nucleus and is also detected from the giant HII regions NGC604 and IC131. Fainter extended emission and numerous individual sources appear to trace the inner spiral structure. An initial source catalog based on 2/3 of the survey data has been published, and published papers based on the survey include: the discovery of the first eclipsing black hole binary system, an analysis of the brightest supernova remnant in M33, an analysis of the giant HII region NGC604, and an analysis of a number of transient sources. A catalog for the whole survey has now been prepared. We will discuss the improvements made in reducing the data and the approach for detecting and characterizing sources. Adjacent poster presentations include analyses of the new catalog, the X-ray emitting giant HII region (IC131), the supernova remnant population, a preliminary analysis of the diffuse emission, and initial results of a new radio survey complementing the X-ray survey.
Support for this work was provided by NASA through Chandra Award Number G06-7073A and contract NAS8-03060.
Blair William Patrick
ChASeM33 Team
Edgar Richard J.
Gaetz Terrance J.
Ghavamian Parviz
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