BIB-VERSION:: AST-PP-v1.0
ID:: epreps.stsci//prep1214
ENTRY:: March 9, 1998
TITLE::  Galaxy Evolution and the Cosmic Rate of Supernovae 
SUBTITLE:: 
AUTHOR:: Madau, Piero
AFFIL:: Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218 USA
DATE:: February 1998
JOURNAL:: To appear in: 
SUBMITTED::
ACCEPTED::
OTHER_ACCESS:: 
COPYRIGHT:: Copyright 1998 The Association of Universities for Research in Astronomy, Inc.  All Rights Reserved.
LANGUAGE:: English
ABSTRACT::

Ongoing searches for supernovae (SNe) at cosmological distances have recently
started to provide a link between SN Ia statistics and galaxy evolution. 
In this talk I will use recent estimates of the global history of star
formation to compute the theoretical Type Ia and Type II SN rates as a function
of cosmic time. I will compare the predicted values with the rates observed
in the range 
0&nbsp;<IMG SRC="/science/preprints/Icons/leq.gif" WIDTH=13 HEIGHT=18 ALIGN=absbottom ALT="&lt;=">&nbsp;<I>z</I>&nbsp;<IMG SRC="/science/preprints/Icons/leq.gif" WIDTH=13 HEIGHT=18 ALIGN=absbottom ALT="&lt;=">&nbsp;0.4,
and show how accurate measurements of the frequency of SN events at intermediate
redshifts are valuable probes of the evolution of the stellar birthrate in
the universe and the nature of Type Ia progenitors. The <I>Next Generation
Space Telescope</I> should detect of order 20 Type II SNe per field per
year in the interval <NOBR>1 &lt; <I>z</I> &lt; 4</NOBR>.

END:: epreps.stsci//prep1214