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Measurement of Gravitational Spin-Orbit Coupling in a Binary Pulsar SystemIn relativistic gravity, a spinning pulsar will precess as it orbits a compact companion star. We have measured the effect of such precession on the average shape and polarization of the radiation from PSR B1534+12. We have also detected, with limited precision, special-relativistic aberration of the revolving pulsar beam due to orbital motion. Our observations fix the system geometry, including the misalignment between the spin and orbital angular momenta, and yield a measurement of the precession timescale consistent with the predictions of General Relativity.
Document ID
20040171632
Acquisition Source
Goddard Space Flight Center
Document Type
Preprint (Draft being sent to journal)
Authors
Stairs, I. H. (British Columbia Univ. Vancouver, British Columbia, Canada)
Thorsett. S. E. (California Univ. Santa Cruz, CA, United States)
Arzoumanian, Z. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
September 7, 2013
Publication Date
January 1, 2004
Subject Category
Astronomy
Distribution Limits
Public
Copyright
Public Use Permitted.

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