A relativistic iron line in the X-ray spectrum of the atoll source 4U 1705-44?

Details A relativistic iron line in the X-ray spectrum of the atoll source 4U 1705-44? A relativistic iron line in the X-ray spectrum of the atoll source 4U 1705-44?

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007xmm..prop...43d&link_type=abstract

XMM-Newton Proposal ID #05512701

Computer Science

White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, 4U 1705-44, Xmm-Newton Proposal Id #05512701

Scientific paper

We propose a ToO (triggered) observation with XMM-Newton of the atoll source 4U 1705-44 during a soft state. A Chandra observation of this source clearly indicate the presence of a broad (sigma ~ 0.7 keV) iron line. Both a relativistic disc line and a thermal Comptonization broadening fit well the line profile. The superior sensitivity at the iron line energy of XMM-Newton is needed to give a definite answer to the problem of the origin of the broad iron line.

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