Physics
Scientific paper
Nov 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989scns.nasa.....r&link_type=abstract
In its Physics of Systems Containing Neutron Stars 10 p (SEE N90-22467 15-89)
Physics
Astronomical Models, Cavities, Electromagnetic Pulses, Stellar Luminosity, Supernova 1987A, Synchrotron Radiation, Brightness Temperature, Light Emission, Magnetospheres, Pulsars, Unsteady Flow
Scientific paper
To overcome difficulties in understanding the origin of the submillisecond optical pulses from SN 1987A a model similar to that of Kundt and Krotscheck for pulsed synchrotron emission from the Crab was applied. The interaction of the expected ultrarelativistic e+ or - pulsar wind with the pulsar dipole electromagnetic wave reflected from the walls of a pulsar cavity within the SN 1987A nubula can generate pulsed optical emission with efficiency at most etamax is approximately equal to 10-3. The maximum luminosity of the source is reproduced and other observational constraints can be satisfied for an average wind energy flow is approximately equal to 1038 erg/(s steradian) and for electron Lorentz factor gamma is approximately equal to 105. This model applied to the Crab yields pulsations of much lower luminosity and frequency.
Kluzniak Wiodzimierz
Ruderman Malvin
Shaham Jacob
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