X-ray Timing of Two Nearby Isolated Neutron Stars

Details X-ray Timing of Two Nearby Isolated Neutron Stars X-ray Timing of Two Nearby Isolated Neutron Stars

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...207.7202k&link_type=abstract

American Astronomical Society Meeting 207, #72.02; Bulletin of the American Astronomical Society, Vol. 37, p.1281

Astronomy and Astrophysics

Astronomy

Scientific paper

We will report on our recent X-ray timing program of two nearby, isolated neutron stars: the 8.39-s RX J0720.4-3125 and the 5.16-s RX J1308.6+2127. By combining new, dedicated Chandra observations with archival Chandra, XMM-Newton, and ROSAT observations, we have been able to determine phase-coherent timing solutions for both sources stretching back at least 5 years. These solutions imply similar magnetic fields (2.4e13 G and 3.4e13 G) and spin-down ages (1.9 Myr and 1.5 Myr). We will discuss these solutions in the context of the population of similar objects and as they influence our understanding of the broad X-ray absorption features in their X-ray spectra.

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