A new binary millisecond pulsar

Details A new binary millisecond pulsar A new binary millisecond pulsar

Jun 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...410l..91f&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 410, no. 2, p. L91-L94.

Astronomy and Astrophysics

Astrophysics

57

Data Reduction, Milky Way Galaxy, Pulsars, Pulse Duration, Binary Stars, Neutron Stars, Very Long Base Interferometry

Scientific paper

A 4.57 ms pulsar, PSR J1713 + 0747, in a 67.8-day binary orbit with a low-mass companion has been detected in a systematic search of the sky at high Galactic latitudes with the Arecibo radio telescope. The new pulsar is characterized by a weak magnetic field of 1.9 x 10 exp 8 G and a spin-down age of 8.9 +/- 1.0 Gyr, making it probably one of the oldest neutron stars currently observed. The distance to the pulsar is about 0.8 kpc as indicated by its dispersion measure. Small timing residuals, a relatively large flux density at GHz frequencies, and a narrow, sharply peaked pulse morphology, make PSR J1713 + 0747 a new celestial clock of extraordinary precision and a rare target for VLBI frame-tie experiments.

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