Physics
Scientific paper
Oct 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008xmm..prop....7s&link_type=abstract
XMM-Newton Proposal ID #06003201
Physics
Stars, White Dwarfs, Solar System, Iq Aur
Scientific paper
We propose to use XMM-Newton to obtain the first high-resolution X-ray spectrum of the peculiar magnetic A-type star IQ~Aur. From previous X-ray observations IQ~Aur is known as a strong, but very soft X-ray source. In addition to the HAeBe star HD~163296, IQ~Aur is a very good candidate for an A-type star with intrinsic X-ray emission. The XMM-Newton RGS spectrum will strongly constrain the location of the X-ray emission site from a measurement or upper limit to the strength of the OVII f/r line ratio, the overall RGS spectrum will determine the elemental abundances, which may be far from solar, and finally, the phase coverage of the EPIC data will be sufficient to search for a rotational modulation of IQ~Aur's X-ray flux.
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