Best-Fit Models to the Cooling Curves of Low Mass X-Ray Binaries

A Low Mass X-ray Binary (LMXB) is a binary star system which is composed of a neutron star and a low-mass companion star, emitting X-rays due to the transfer of material from the companion star to the neutron star. We created graphs by plotted the observed datapoints for LMXBs: MXB 1659-29, KS 1731-260, XTE J1701-462, 1RXS J180408.9-342058 and MAXI J0556-332. We perform simulations of the cooling of a neutron star crust and found the best-fit cooling curve models for the LMXBs MXB 1659-29, KS 1731-260, XTE J1701-462,

1RXS J180408.9-342058 and MAXI J0556-332. From finding the best-fit cooling curves we will be able to learn the crust properties of neutron stars.

Keywords: LMXB, shallow heating, neutron star, cooling curve