XMM-Newton Proposal 03019801

Details XMM-Newton Proposal 03019801 XMM-Newton Proposal 03019801

Oct 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004xmm..prop...66k&link_type=abstract

XMM-Newton Proposal ID #03019801

Computer Science

White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, Wr148, Xmm-Newton Proposal 03019801

Scientific paper

Among Wolf-Rayet (WR) stars, WR148 (HD197406) appears to be very unusual: it is an extreme runaway, single-line spectroscopic binary in which the companion strongly ionizes the dense WR wind. It has been suggested that WR148 harbors an accreting compact companion, most likely a black hole (BH). Using XMM-Newton we will determine the nature of the companion: we will search for hard X-rays (typically at >~6 keV) as the signature of a BH in WR148. We will also identify the soft X-ray (<~2.5 keV) emission previously detected from this source.

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