Understanding the Origin of the Galactic Halo Using Shadowing Observations

Details Understanding the Origin of the Galactic Halo Using Shadowing Observations Understanding the Origin of the Galactic Halo Using Shadowing Observations

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010xmm..prop...34h&link_type=abstract

XMM-Newton Proposal ID #06709002

Computer Science

Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, G048+37 On, G048+37 Off

Scientific paper

Interstellar clouds cast shadows in the soft X-ray background (SXRB). Observations of these shadows enable us to disentangle the various components of the SXRB. Unfortunately, to date, shadowing observations with XMM or Suzaku have only been published for three directions, all in the southern Galactic hemisphere. We propose four new sets of on- and off-cloud shadowing observations, in order to sample new regions of the sky, including the northern Galactic hemisphere. Our particular goal is to obtain accurate X-ray spectra of the Galactic halo, which we will compare with the predictions of models of galactic fountains and infalling extragalactic material.

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