Chandra Acis Survey of M33 (ChASeM33): The unusually hot gas in IC131

Details Chandra Acis Survey of M33 (ChASeM33): The unusually hot gas in IC131 Chandra Acis Survey of M33 (ChASeM33): The unusually hot gas in IC131

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21341701t&link_type=abstract

American Astronomical Society, AAS Meeting #213, #417.01; Bulletin of the American Astronomical Society, Vol. 41, p.229

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We present results from the first X-ray analysis of the diffuse hot ionized gas in IC131, a giant HII region in M33 observed with Chandra as part of the ChASeM33 survey. The diffuse X-ray emission seems to occupy only the lower half of a large wind-blown bubble (r 100pc). Spectra of the diffuse X-ray emission seem to indicate that the gas has a thermal component. Compared to NGC604, another giant HII region studied as part of the ChASeM33 survey (Tuellmann et al. 2008), the X-ray gas in IC131 seems to be unusually hot (2.4The main scope of this work is to constrain the origin of the emission, to investigate if the gas has a nonthermal component, and to examine possible mechanisms that can produce such hot plasmas.
Support for this work was provided by NASA through Chandra Award Number G06-7073A

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