Timing behavior of 96 radio pulsars

Details Timing behavior of 96 radio pulsars Timing behavior of 96 radio pulsars

Feb 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apj...422..671a&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 422, no. 2, p. 671-680

Astronomy and Astrophysics

Astronomy

152

Pulsars, Pulse Amplitude, Pulse Duration, Pulsed Radiation, Radio Astronomy, Time Measurement, Data Acquisition, Decimeter Waves, Radio Telescopes, Ultrahigh Frequencies

Scientific paper

We present results from observations of 104 pulsars made between 1989 August and 1993 April, including timing solutions for 96 of them. Pulse profiles were recorded at four frequencies in the range 0.4-1.64 GHz, yielding topocentric pulse arrival times with uncertainties of order 10-3 periods. Models fitted to the timing data yield accurate positions, periods, period derivatives, and dispersion measures for each pulsar. Nine of the measured period derivatives are new, and most of the parameters represent improvements upon previous measurements. In a few cases we correct some erroneous parameter values from the published literature. A glitch was observed in the PSR B1800-21 pulse arrival times, and we fit a simple exponential model to the post-glitch recovery. We present graphs of the observed pulse shapes and their evolution with frequency, a table of measured pulse widths, and quantitative estimates of the long-term timing stability of each pulsar.

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