XMM-Newton Proposal 03068408

Details XMM-Newton Proposal 03068408 XMM-Newton Proposal 03068408

Oct 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004xmm..prop..220r&link_type=abstract

XMM-Newton Proposal ID #03068408

Astronomy and Astrophysics

Astronomy

White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, Ai Tri, Rs Cae, 1Rxsj085909.5+0, 1Rxsj095308.6+1, 1Rxsj231603.9-0, Cv Hyi, V4738 Sgr, Xmm-Newton Proposal 03068408

Scientific paper

Since the early days of X-ray astronomy one of the central questions in our understanding of accretion onto magnetic white dwarfs in compact binaries is whether their observed ratio between soft and hard X-ray emission is in accordance with theoretical expectations or not. We propose to address this issue with XMM-Newton observations of a sample of soft X-ray selected polars from the ROSAT All-Sky Survey. The X-ray characteristics of our sample members are complementary to the parameter space covered by observations of polars in the XMM-Newton GTO programme. A detailed study of the spectral components, their flux contributions, and the physical structure of the accretion regions in these systems will, therefore, provide new insight into this long-lasting problem.

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