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The Double Pulsar J0737--3039: Testing the Neutron Star Equation of State

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arxiv astro-ph/0506566 v1 pith:LWMKO2S5 submitted 2005-06-23 astro-ph

The Double Pulsar J0737--3039: Testing the Neutron Star Equation of State

Ph. Podsiadlowski , J. D. M. Dewi , P. Lesaffre , J. C. Miller , W. G. Newton , J. R. Stone This is my paper
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keywords pulsardoubleequationj0737--3039neutronstarstatetesting
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The double pulsar J0737--3039 has become an important astrophysical laboratory for testing fundamental physics. Here we demonstrate that the low measured mass of Pulsar B can be used to constrain the equation of state of neutron star matter {\em under the assumption} that it formed in an electron-capture supernova. We show that the observed orbital parameters as well as the likely evolutionary history of the system support such a hypothesis and discuss future refinements that will improve the constraints this test may provide.

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