Infrared background constraints on the evolution of IRAS galaxies

Details Infrared background constraints on the evolution of IRAS galaxies Infrared background constraints on the evolution of IRAS galaxies

May 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992mnras.256p..15o&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 256, no. 1, May 1, 1992, p. 15P-22P.

Astronomy and Astrophysics

Astronomy

41

Background Radiation, Galactic Evolution, Infrared Astronomy Satellite, Infrared Radiation, Spiral Galaxies, Cosmic Background Explorer Satellite, Infrared Spectra, Luminosity, Quasars, Red Shift

Scientific paper

Source counts and redshift surveys at 60 microns provide clear evidence of cosmological evolution of the spiral galaxy population. Preliminary results from the COBE mission and recent reanalysis of the IRAS background data provide interesting constraints on these evolutionary models. For pure density evolution at the rate needed for consistency with the source counts and redshift surveys, the 60-500-micron background limits imply that there must be a redshift cut-off. For luminosity evolution, on the other hand, the predicted background is well below the currently available background limits for Zeta max of about 5.

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