Precision timing of PSR J1012+5307 and strong-field GR tests

Details Precision timing of PSR J1012+5307 and strong-field GR tests Precision timing of PSR J1012+5307 and strong-field GR tests

2010-01-26

arxiv.org/abs/1001.4704v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

3 pages, Proceedings of the 12th Marcel Grossmann Meeting on General Relativity (MG 12)

Scientific paper

We report on the high precision timing analysis of the pulsar-white dwarf binary PSR J1012+5307. Using 15 years of multi-telescope data from the European Pulsar Timing Array (EPTA) network, a significant measurement of the variation of the orbital period is obtained. Using this ideal strong-field gravity laboratory we derive theory independent limits for both the dipole radiation and the variation of the gravitational constant.

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