Computer Science
Scientific paper
Oct 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008xmm..prop...84f&link_type=abstract
XMM-Newton Proposal ID #06032604
Computer Science
Groups Of Galaxies, Clusters Of Galaxies, Supercluster, M87-1, M87-4, M87-6, M87-7
Scientific paper
We propose to complete our investigation of the gas dynamics in the 150 kpc region surrounding M87 in the Virgo cluster core. Two of our approved AO7 observations were badly contaminated by flares and two were partially contaminated. With a complete data set, we will determine the dynamical properties of the gas across the surface brightness ``edge'' that lies 90 kpc north of M87 and extends over 120 degrees in azimuth. We will derive accurate gas density and temperature profiles across the edge and at all azimuths around M87 to derive gas pressures and gas velocities responsible for producing the edge. Assuming hydrostatic equilibrium, away from the edge, we will measure the gravitating mass profile and determine the dynamical properties of the gas in the core of M87/Virgo.
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