Ken'ichi Torii et al 1997 ApJ 489 L145 doi:10.1086/316798
Ken'ichi Torii1, Hiroshi Tsunemi1,2, Tadayasu Dotani3 and Kazuhisa Mitsuda3
Show affiliationsWe 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.
supernova remnants; pulsars: general; pulsars: individual (AX J1811.5–1926); X-rays: general
Issue 2 (1997 November 10)
Received 1997 August 27, accepted for publication 1997 September 12
Published 1997 October 13
Ken'ichi Torii et al 1997 ApJ 489 L145
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