A Search for Pulsations from INTEGRAL Sources in the Norma Region

Computer Science

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White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, Igr J16167-4957, Igr J16207-5129, Xmm-Newton Proposal 04029202

Scientific paper

We propose to search for X-ray pulsations from four of the hard X-ray IGR sources that have been discovered by the INTEGRAL satellite. Our targets are in the Norma region of the Galaxy and are candidate neutron star High-Mass X-Ray Binaries. The sources are persistent in X-rays as evidenced by strong detections of all four during brief (~5 ks) Chandra observations that occurred during 2005 April-July. The proposed observations are critical to definitively identify these sources as neutron star X-ray binaries. These studies are important for characterizing the population of IGR sources, leading to a better understanding of binary evolution and compact object formation.

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