X- or gamma-rays from supernovae in glacial ice

Details X- or gamma-rays from supernovae in glacial ice X- or gamma-rays from supernovae in glacial ice

Dec 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979natur.282..701r&link_type=abstract

Nature, vol. 282, Dec. 13, 1979, p. 701-703.

Physics

16

Antarctic Regions, Atmospheric Chemistry, Gamma Rays, Glaciers, Supernovae, X Rays, Ion Density (Concentration), Nitrates, Solar X-Rays, Stellar Radiation

Scientific paper

The paper examines X- or gamma-ray production from supernovae in glacial ice. Four spikes of high concentration were found in an analysis of NO3(-) in an Antarctic ice core, three of which occur at depths which correspond roughly to the dates of known galactic supernovae (SN). The production of observed NO3(-) peaks by the hard X-rays generated by a SN outburst appears possible from the energy requirements and SN models. It is predicted that the bright SN of 1006 will be observed about 15 m beyond the end of the current core, which would make identification of these spikes with SN important for the theory of SN, atmospheric chemistry and transport, and the dating of ice cores

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