Timing observations of the millisecond pulsar

Details Timing observations of the millisecond pulsar Timing observations of the millisecond pulsar

Jan 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983natur.301..314b&link_type=abstract

Nature, vol. 301, Jan. 27, 1983, p. 314, 315. NSF-supported research.

Astronomy and Astrophysics

Astronomy

45

Astrometry, Pulsars, Time Measurement, Atomic Clocks, Planetary Mass, Stellar Evolution

Scientific paper

Following the discovery of the rapidly spinning pulsar 1937 + 214 on 7 November 1982 a program of accurate pulse arrival time measurements was initiated at the Arecibo Observatory. These observations, which were conducted at 1,408 MHz center frequency, indicate that pulse arrival times follow a simple spindown equation with an accuracy of 1.5 microseconds for intervals between 2 min and 14 days. The apparent period derivative of 1.2 x 10 to the -19th s per s leads to a characteristic time scale for period evolution of 4 x 10 to the 8th yr. If the observed stability of this pulsar persists for decades, it will be possible to reduce present uncertainties on the masses of the distant planets.

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