Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aipc..470..345h&link_type=abstract
The 9th astrophysics conference: After the dark ages, when galaxies were young (the Universe at 2<Z<5). AIP Conference Proceedi
Astronomy and Astrophysics
Astrophysics
Origin, Formation, Evolution, Age, And Star Formation, Radio Sources
Scientific paper
Faint radio sources provide important information about global star formation history. We make use of the correlation between radio and far infrared (FIR) flux to study the faint star forming galaxies producing the FIR and radio extragalactic background emission. Combining this with the typical radio spectral indices of these sources and their number counts, we estimate their mean redshift to be roughly between 1 and 2. In a second calculation, we use a simple model of the redshift distribution of faint radio sources, in combination with the number count information, to calculate the peak star formation rate density, which we can do without knowledge of the luminosity function.
Haarsma Deborah B.
Partridge Robert B.
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