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Constraints on stellar yields and SNe from gamma-ray line observations

Jürgen Knödlseder - No affiliation found

2000/07/01 Review article DOI: 10.1016/S1387-6473(00)00046-4 Journal: New Astronomy Reviews

Abstract:

AbstractGamma-ray line observations provide a versatile tool for studies of nucleosynthesis processes and supernova physics. In particular, the observation of radioactive species in the interstellar medium probes recent nucleosynthesis activity on various time-scales for different kinds of sources. Considerable progress in gamma-ray instrumentation during the last decades has led to the discovery of several cosmic gamma-ray lines. In this review, recent observational results are presented and their astrophysical implications are discussed. Prospects of gamma-ray line astronomy will be explored in view of the future INTEGRAL mission.