Physics
Scientific paper
Oct 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010xmm..prop...71t&link_type=abstract
XMM-Newton Proposal ID #06717002
Physics
Galaxies, Galactic Surveys, Ngc 1209, Ngc 3962
Scientific paper
With this proposal we focus on a well selected sample of nearby ellipticals for which we reliably determine the star formation history from high S/N Spitzer and GALEX observations. We aim at determining the incidence and where possible the properties of the hot ISM in light of the detailed characteristics of their stellar population. Chosen galaxies are passively evolving systems, at most with a small episode of recent star formation. In light of current scenario we expect them to have a sizable hot ISM. We request high quality X-ray data to determine the ISM parameters, such as luminosity, spatial distribution, temperature where possible, to explore whether gas properties are homogeneous or whether even small perturbations in the SF history can alter the hot gas content.
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