On the supernova remnants produced by pulsars |
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| Authors: | Srinivasan G Bhattacharya D Dwarakanath K S |
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| Institution: | (1) Raman Research Institute, 560080 Bangalore, India |
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| Abstract: | We conclude that pulsar-driven supernova remnants (SNRs) are extremely rare objects. Indeed an analysis of the known sample
of plerions suggests a very low birthrate ∼ 1 in 240 years. Long-lived and bright plerions like the Crab nebula are likely
to be produced only when the pulsar has an initial period ∼ 10–20 milliseconds and a field ∼ 1012 G. Such pulsars inside rapidly expanding shell remnants should also produce detectable plerions. The extreme rarity of SNRs
with such hybrid morphology leads us to conclude that these pulsars must have been born with an initial period larger than
∼ 35–70 milliseconds.
Joint Astronomy Program, Department of Physics, Indian Institute of Science, Bangalore 560012. |
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| Keywords: | supernova remnants plerions pulsars |
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