Constraints on the Star Formation Rate from Supernova Relic Neutrino Observations

Details Constraints on the Star Formation Rate from Supernova Relic Neutrino Observations Constraints on the Star Formation Rate from Supernova Relic Neutrino Observations

2002-04-23

arxiv.org/abs/astro-ph/0204376v3

Mon.Not.Roy.Astron.Soc. 340 (2003) L7

Astronomy and Astrophysics

Astrophysics

5 pages, 4 figures, accepted for publication in MNRAS

Scientific paper

10.1046/j.1365-8711.2003.06507.x

We discuss the implication of the observation of supernova relic neutrinos on the study of the star formation rate (SFR) in galaxies. The limit recently obtained at Super-Kamiokande (SK) is already marginally significant: The SFR we derived $\psi(t_0)<0.040M_{\odot}$yr$^{-1}$Mpc$^{-3}$(at a 90% CL) is about twice the SFR estimated from radio observations, and five times the rate from H$\alpha$ allowing for uncertainties in the model supernova neutrino flux.

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