X-ray Spectroscopy of the Cumulative Stellar Emission from M32

Details X-ray Spectroscopy of the Cumulative Stellar Emission from M32 X-ray Spectroscopy of the Cumulative Stellar Emission from M32

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010xmm..prop...86w&link_type=abstract

XMM-Newton Proposal ID #06721304

Computer Science

Galaxies, Galactic Surveys, M32, M32, M32, M32

Scientific paper

We propose a deep XMM-Newton observation of the nearest compact elliptical galaxy M32. The RGS will provide the first high-resolution spectrum of the cumulative soft X-ray emission of old stellar populations, with little contribution from low-mass X-ray binaries or diffuse hot gas. This spectral template will be useful to the study of the average properties of the populations and, most importantly, will facilitate a reliable subtraction of the stellar contribution in the spectroscopic analysis of diffuse hot gas in galactic spheroids in general. The EPIC spectrum will offer a complementary high sensitivity and broad energy coverage, badly needed for determining the nature of hard X-ray emission observed in the Galactic ridge and in nearby galaxies.

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