The Cosmic Stellar Birth and Death Rates

Details The Cosmic Stellar Birth and Death Rates The Cosmic Stellar Birth and Death Rates

2006-02-05

arxiv.org/abs/astro-ph/0602101v1

New Astron.Rev. 50 (2006) 561-565

Astronomy and Astrophysics

Astrophysics

Accepted for publication in New Astronomy Reviews (invited talk at "Astronomy with Radioactivities V", Clemson Univ., Sept. 20

Scientific paper

10.1016/j.newar.2006.06.069

The cosmic stellar birth rate can be measured by standard astronomical techniques. It can also be probed via the cosmic stellar death rate, though until recently, this was much less precise. However, recent results based on measured supernova rates, and importantly, also on the attendant diffuse fluxes of neutrinos and gamma rays, have become competitive, and a concordant history of stellar birth and death is emerging. The neutrino flux from all past core-collapse supernovae, while faint, is realistically within reach of detection in Super-Kamiokande, and a useful limit has already been set. I will discuss predictions for this flux, the prospects for neutrino detection, the implications for understanding core-collapse supernovae, and a new limit on the contribution of type-Ia supernovae to the diffuse gamma-ray background.

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