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Caught in the Act: the identification of the galaxies responsible for the faint blue excess

Published online by Cambridge University Press:  25 May 2016

Simon P. Driver ,
Rogier A. Windhorst  and
Richard E. Griffiths
Simon P. Driver
Affiliation:
Arizona State University, Department of Physics and Astronomy, Box 871504, Tempe, AZ85287-1504, USA
Rogier A. Windhorst
Affiliation:
Arizona State University, Department of Physics and Astronomy, Box 871504, Tempe, AZ85287-1504, USA
Richard E. Griffiths
Affiliation:
Bloomberg Center for Physics and Astronomy, JHU

Abstract

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We summarise recent Hubble Space Telescope results on the morphology of faint field galaxies. Our two principle results are: (1) the galaxies responsible for the faint blue excess have late-type/irregular morphology and (2) the number counts of normal galaxies, ellipticals and early-type spirals, are well fit by standard no-evolution models implying that the giant population was in place and mature by a redshift of ≥ 0.7.

Type
High Redshift Galaxies
Information
Symposium - International Astronomical Union , Volume 171: New Light on Galaxy Evolution , 1996 , pp. 221 - 224
Copyright
Copyright © Kluwer 1996 

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