A pulsar timing tutorial and NRAO Green Bank observations of PSR 1257+12

Details A pulsar timing tutorial and NRAO Green Bank observations of PSR 1257+12 A pulsar timing tutorial and NRAO Green Bank observations of PSR 1257+12

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aspc...36...11b&link_type=abstract

In: Planets around pulsars; Proceedings of the Conference, California Inst. of Technology, Pasadena, Apr. 30-May 1, 1992 (A93-36

Computer Science

26

Extrasolar Planets, Planetary Systems, Pulsars, Orbit Perturbation, Stellar Orbits, Time Measurement

Scientific paper

The steps required in precise timing of pulsars, including pulsars with orbital perturbations, are outlined. Observations of PSR 1257+12 confirm the double periodicity reported by Wolszczan and Frail (1992) with independent data and independent analysis. Observations of PSR 1855+09 compare favorably with a timing model based on independent data and thus serve as a clock and system check. The timing of PSR 1620-26, an 11-ms pulsar in the globular cluster M4, show a large period second derivative which, if gravitational, indicates a low mass companion or an encounter at distances of 10-100 AU.

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