A Search for Pulsations from INTEGRAL HMXBs

Details A Search for Pulsations from INTEGRAL HMXBs A Search for Pulsations from INTEGRAL HMXBs

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006xmm..prop...46t&link_type=abstract

XMM-Newton Proposal ID #05014502

Physics

White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, Igr J00370+6122, Igr J16207-5129, Xmm-Newton Proposal 05014502

Scientific paper

We propose to continue our XMM-Newton program to search for X-ray pulsations from hard X-ray INTEGRAL (IGR) sources. Over the past few years, INTEGRAL has found a surprising number of High-Mass X-ray Binaries (HMXBs), and the large number of new supergiant HMXBs is providing information that is important to our understanding of HMXB evolution. As many of the IGR HMXBs have extreme properties such as high column densities and rapid X-ray flares, we are still in the process of understanding where they fit in relative to previously known HMXBs. Detection of pulsations is important for establishing the presence of a neutron star, determining the distribution of spin periods, and for providing an opportunity to determine binary parameters, including the neutron star mass.

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