Search for Iron Line Pulsations in Cen X-3

Details Search for Iron Line Pulsations in Cen X-3 Search for Iron Line Pulsations in Cen X-3

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005xmm..prop...23k&link_type=abstract

XMM-Newton Proposal ID #04005501

Computer Science

White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, Cen X-3, Xmm-Newton Proposal 04005501

Scientific paper

The iron K line provides hints about accretion flows in accreting pulsars via the line shape, strength and variability behavior. In Cen X-3 line pulsations have been detected, and the fluorescent line must originate close to the pulsar. But the picture is incomplete owing to the absence of observations which combine sufficient collecting area and spectral resolution. We propose a single 70 ksec observation at a favorable range of orbital phase in order to confirm the likely site of the fluorescent line, to better understand the geometry of the reprocessing gas, to better study the gas responsible for absorption at energies above the iron line, and to study the average properties of the stellar wind.

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