Recent Arecibo Timing of the Relativistic Binary PSR B1534+12

Details Recent Arecibo Timing of the Relativistic Binary PSR B1534+12 Recent Arecibo Timing of the Relativistic Binary PSR B1534+12

1999-03-18

arxiv.org/abs/astro-ph/9903289v2

Astronomy and Astrophysics

Astrophysics

Acknowledgments expanded. 9 pages. Talk given at "Gravitational Waves and Experimental Gravity," XXXIV Rencontres de Moriond,

Scientific paper

We present a new timing solution for PSR B1534+12, based on coherently-dedispersed observations at Jodrell Bank and, recently, Arecibo. The new data have resulted in improved measurements of the post-Keplerian timing parameters, including the orbital period derivative. At present, the poorly-known distance to the pulsar limits the precision of the measurement of the intrinsic orbital period derivative, and hence the strength of the test of general relativity that results from this binary system. By assuming that general relativity is the correct theory of gravity, we may invert the test and find an improved value of the pulsar distance.

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