The Relativistic Iron Emission Line - QPO Connection in GRS 1915+105

Details The Relativistic Iron Emission Line - QPO Connection in GRS 1915+105 The Relativistic Iron Emission Line - QPO Connection in GRS 1915+105

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005xmm..prop...62m&link_type=abstract

XMM-Newton Proposal ID #04016301

Physics

White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, Grs 1915+105, Xmm-Newton Proposal 04016301

Scientific paper

In accreting black hole and neutron star binaries, QPOs and broad Fe emission lines are both thought to be incisive diagnostics of the inner disk, and can even be used to constrain black hole spin parameters. We have discovered a connection between Fe line strength and QPO phase in RXTE observations of GRS 1915+105. This connection clearly ties Fe lines to radii less than 100 Rschw, where relativistic skewing is inevitable. Moreover, for a known mass, the connection gives two measures of radius; over-constraining radii in this way will enable mapping of the inner disk and strong tests of accretion flow models and general relativistic effects. We request a 45 ksec TOO observation of GRS 1915+105 to study this connection at CCD resolution.

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