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Evidence for Luminosity and Color Evolution in Faint Field Galaxies

  • J. A. Tyson
Conference paper
Part of the Astrophysics and Space Science Library book series (ASSL, volume 141)

Abstract

This paper reviews the first results of a .36 to 1 micron CCD survey of faint galaxies, which reveals strong evidence for color and luminosity evolution. Galaxy counts at 25th BJ magnitude are a factor of 5–15 above noevolution models. A strong bluing trend is seen for the fainter galaxies, suggesting that the UV excess from star bursts in these evolving galaxies has been redshifted into the blue band. Mild and continuous starburst activity in field galaxies seems to have occurred, and any global burst phase at z<6 must have been shrouded in dust.

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Copyright information

© Kluwer Academic Publishers 1988

Authors and Affiliations

  • J. A. Tyson
    • 1
  1. 1.AT&T Bell LaboratoriesMurray HillUSA

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