X-ray emission mechanism in the Be star HD 42054

Details X-ray emission mechanism in the Be star HD 42054 X-ray emission mechanism in the Be star HD 42054

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009cxo..prop.2782t&link_type=abstract

Chandra proposal ID #11200793

Physics

Scientific paper

We propose to obtain a HETGS spectrum of the Be star HD 42054 to investigate the X-ray emission mechanisms in this mid B-type emission line star characterized by hot and variable X-ray thermal emission. This study, through detailed line-based diagnostics accessible only with high resolution spectroscopy, will allow us to shed light into the issue of X-ray emission from Be stars. Remarkably, beta Cephei is the only Be star to date for which high-resolution X-ray spectra have been obtained, excluding the very peculiar class of gamma Cas analogs.

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