Discovery of a 65 Millisecond Pulsar in the Supernova Remnant G11.2-0.3 with ASCA

Details Discovery of a 65 Millisecond Pulsar in the Supernova Remnant G11.2-0.3 with ASCA Discovery of a 65 Millisecond Pulsar in the Supernova Remnant G11.2-0.3 with ASCA

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997apj...489l.145t&link_type=abstract

Astrophysical Journal Letters v.489, p.L145

Astronomy and Astrophysics

Astronomy

42

Stars: Pulsars: General, Stars: Pulsars: Individual Alphanumeric: Ax J1811.5-1926, X-Rays: General, Ism: Supernova Remnants

Scientific paper

We report here the discovery of a 65 ms X-ray pulsar in the supernova remnant G11.2--0.3 with ASCA. The object is known to be a composite supernova remnant that shows both an extended shell component and a compact plerionic component. We have detected a sinusoidal pulsation with an amplitude of ~19% in the hard X-ray band (3--10 keV). The object has been proposed to be the historical remnant of the supernova of A.D. 386, which makes it the second candidate for the secure association of a pulsar and a historical supernova after the Crab Nebula and its pulsar.

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