Search for 1.809 MeV Emission of 26Al from nearby Supernova Remnants using COMPTEL

Details Search for 1.809 MeV Emission of 26Al from nearby Supernova Remnants using COMPTEL Search for 1.809 MeV Emission of 26Al from nearby Supernova Remnants using COMPTEL

1996-04-11

arxiv.org/abs/astro-ph/9604057v1

Astronomy and Astrophysics

Astrophysics

4 pages, accepted for publication in A&AS

Scientific paper

We report the negative results of our searches in COMPTEL data for 1.809 MeV gamma-ray line emission from four localized regions which contain nearby supernova remnants (SNRs). The upper flux limits (2 Sigma) are found to be in the range of 1.4*10e-5 to 2.4*10e-5 photons/s/cm/cm. These upper limits do not severely constrain the theoretical 26Al yields from individual core collapse supernovae due to large uncertainties in the SNR distances and the nature of the progenitor stars.

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