TRACING THE SOURCES OF COSMIC RAYS WITH MOLECULAR IONS
Journal Article
·
· Astrophysical Journal Letters
- Ruhr-Universitaet Bochum, Fakultaet fuer Physik and Astronomie, Theoretische Physik IV, D-44780 Bochum (Germany)
The rate of ionization by cosmic rays (CRs) in interstellar gas directly associated with {gamma}-ray-emitting supernova remnants (SNRs) is for the first time calculated to be several orders of magnitude larger than the Galactic average. Analysis of ionization-induced chemistry yields the first quantitative prediction of the astrophysical H{sup +} {sub 2} emission line spectrum, which should be detectable together with H{sup +} {sub 3} lines. The predicted coincident observation of those emission lines and {gamma}-rays will help prove that SNRs are sources of CRs.
- OSTI ID:
- 21565435
- Journal Information:
- Astrophysical Journal Letters, Vol. 739, Issue 2; Other Information: DOI: 10.1088/2041-8205/739/2/L43; ISSN 2041-8205
- Country of Publication:
- United States
- Language:
- English
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