The search for evidence of particle acceleration at SN 1987A in MeV to PeV gamma rays

Details The search for evidence of particle acceleration at SN 1987A in MeV to PeV gamma rays The search for evidence of particle acceleration at SN 1987A in MeV to PeV gamma rays

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989nyasa.571..522h&link_type=abstract

(NASA, NSF, Texas Academy of Science, et al., Texas Symposium on Relativistic Astrophysics, 14th, Dallas, TX, Dec. 11-16, 1988)

Astronomy and Astrophysics

Astronomy

1

Gamma Ray Astronomy, Particle Acceleration, Stellar Winds, Supernova 1987A, Light Curve, Magnetic Field Reconnection, Neutron Stars, Pulsars, Radioactive Decay

Scientific paper

The prospects for obtaining evidence of the particle acceleration by SN 1987A pulsar wind are discussed. It is noted that, of the seven experiments that searched for high-energy signals since the discovery of SN 1987A, operating in both the TeV region (air Cerenkov arrays) and the 100-TeV region (air shower arrays), not one has reported a continuous signal from the supernova. The only signal reported so far that could be interpreted as a signal from the supernova remnant is from an air shower experiment YANZOS (Bond, 1988), in which a transient flux of photons above 3 TeV was observed. It is pointed out however, that, if a TeV signal is seen, the accompanying gamma-ray flux around 100 MeV should be well above threshold for detection by the EGRET detector on Gamma-Ray Observatory.

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