8th HEAD Meeting, 8-11 September, 2004
Session 11 Pulsars and Magnetars
Oral, Wednesday, September 8, 2004, 4:00-5:30pm

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[11.01] The Discovery and Physics of the Double Pulsar System

A. Lyne (University of Manchester)

A multibeam survey for pulsars using the Parkes radio-telescope has discovered a 22-millisecond pulsar in a nearby 2.4-hour eccentric binary system with a companion which is a 2.7-second radio pulsar. This confirms for the first time the neutron-star nature of the companions in such systems. The discovery of this system has significant implications for the expected rate of coalescence of double-neutron-star systems which might be detected by gravitational wave detectors. Furthermore, the presence of the second detectable pulsar also promises to make this an important test-bed for new rigorous tests of strong-field gravity and general relativity and for probing the magnetospheres of radio pulsars.

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Bulletin of the American Astronomical Society, 36 #3
© 2004. The American Astronomical Soceity.