Effects of spacetime curvature and rotation on arrival times of pulses from fast pulsars

Details Effects of spacetime curvature and rotation on arrival times of pulses from fast pulsars Effects of spacetime curvature and rotation on arrival times of pulses from fast pulsars

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...311..680k&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 311, Dec. 15, 1986, p. 680-683.

Astronomy and Astrophysics

Astrophysics

9

Pulsars, Pulse Rate, Relativistic Effects, Signal Analysis, Space-Time Functions, Drag, Polar Caps, Stellar Models, Stellar Rotation

Scientific paper

General relativistic effects due to spacetime curvature and rotation on the arrival times of pulsar signals are investigated using a rotationally perturbed spherical metric. It is found that for the millisecond pulsar PSR 1937+214, the advancement in arrival time (assuming the usual polar cap model for emission mechanism and a radius-to-frequency mapping) due to these effects is nontrivial. The results are compared with recent multifrequency timing measurements on PSR 1937+214, and the implications regarding emission region thickness and emission mechanism for fast pulsars are pointed out.

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