Precision Millisecond Pulsar Timing: Space Velocities and Equivalence Principles

Details Precision Millisecond Pulsar Timing: Space Velocities and Equivalence Principles Precision Millisecond Pulsar Timing: Space Velocities and Equivalence Principles

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21713905s&link_type=abstract

American Astronomical Society, AAS Meeting #217, #139.05; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

We present high-precision timing results for 5 millisecond pulsars (MSPs), using data acquired with the Parkes and Arecibo telescopes. We measure the proper motion for each pulsar, infer 2-D space velocities, and update velocity distribution investigations of the MSP population, finding that binary and isolated MSPs have indistinguishable velocity distributions. We constrain binary inclination angles and hence masses for 2 of the pulsars in our sample. We use all the known wide-orbit pulsar--white-dwarf binaries to update previous limits on violation of the Strong Equivalence Principle and on a parameter describing violation of Lorentz invariance and momentum
conservation.

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