Tests of General Relativity from Timing the Double Pulsar
West Virginia University · Commonwealth Scientific and Industrial Research Organisation · +6 more institutions
Abstract
The double pulsar system PSR J0737-3039A/B is unique in that both neutron stars are detectable as radio pulsars. They are also known to have much higher mean orbital velocities and accelerations than those of other binary pulsars. The system is therefore a good candidate for testing Einstein's theory of general relativity and alternative theories of gravity in the strong-field regime. We report on precision timing observations taken over the 2.5 years since its discovery and present four independent strong-field tests of general relativity. These tests use the theory-independent mass ratio of the two stars. By measuring relativistic corrections to the Keplerian description of the orbital motion, we find that…
Citation impact
- FWCI
- 23.30
- Percentile
- 100%
- References
- 44
Authors
15- MKM. KrämerCorresponding
West Virginia University, Commonwealth Scientific and Industrial Research Organisation, Australia Telescope National Facility, University of British Columbia, University of Manchester, SKA Observatory, Osservatorio Astronomico di Cagliari
- IHI. H. Stairs
West Virginia University, Commonwealth Scientific and Industrial Research Organisation, Australia Telescope National Facility, University of British Columbia, University of Manchester, SKA Observatory, Osservatorio Astronomico di Cagliari
- RNR. N. Manchester
West Virginia University, Commonwealth Scientific and Industrial Research Organisation, Australia Telescope National Facility, University of British Columbia, University of Manchester, SKA Observatory, Osservatorio Astronomico di Cagliari
- MAM. A. McLaughlin
West Virginia University, Commonwealth Scientific and Industrial Research Organisation, Australia Telescope National Facility, University of British Columbia, University of Manchester, SKA Observatory, Osservatorio Astronomico di Cagliari
- AGA. G. Lyne
West Virginia University, Commonwealth Scientific and Industrial Research Organisation, Australia Telescope National Facility, University of British Columbia, University of Manchester, SKA Observatory, Osservatorio Astronomico di Cagliari
Topics & keywords
- Pulsar
- Physics
- Neutron star
- Binary pulsar
- General relativity
- Tests of general relativity
- Millisecond pulsar
- Theory of relativity