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astro-ph2007★ 151 cited
The Oblate Schwarzschild Approximation for Light Curves of Rapidly Rotating Neutron Stars
Sharon M. Morsink, Denis A. Leahy, Coire Cadeau +1
We present a simple method for including the oblateness of a rapidly rotating neutron star when fitting X-ray light curves. In previous work we showed that the oblateness induced b…
astro-ph2007★ 66 cited
Limits on Mass and Radius for the ms-Period X-ray Pulsar SAX J1808.4-3658
Denis A. Leahy, Sharon M. Morsink, Coire Cadeau
SAX J1808.4-3658 has a 2.5 millisecond neutron star rotation period and exhibits X-ray pulsations due to its rotating hot spot. Here we present an analysis of the pulse shapes of S…