Geminga as a cosmic ray source

Details Geminga as a cosmic ray source Geminga as a cosmic ray source

Sep 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993basi...21..391r&link_type=abstract

Astronomical Society of India, Bulletin (ISSN 0304-9523), vol. 21, no. 3-4, p. 391-393

Mathematics

Logic

2

Cosmic Rays, Gamma Ray Bursts, Pulsars, Supernovae, Abundance, Antarctic Regions, Beryllium 10, Data Correlation, Land Ice

Scientific paper

The complete 150 kyr record of Be-10 concentration in the Vostok ice core in Antarctica displays several steep and relatively brief increases. Out of these, the increase at approximately 33 Kyr is unique, as this is not accompanied by signatures of climatological and other factors responsible for short term variations of cosmic ray intensity, associated with solar terrestrial-relationships. Earlier attempts to relate this variation to possible supernova explosion in the solar neighborhood have met with some success. A suggestion is made here that the newly discovered gamma ray pulsar Geminga is the supernova responsible for this brief increase in cosmic ray intensity. Thus for the first time we are able to see a direct correlation between the increase in cosmic ray intensity and a supernova explosion.

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