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The Morphological Evolution of Field Galaxies

Ellis, Richard S. (1995) The Morphological Evolution of Field Galaxies. In: Stellar Populations. International Astronomical Union Symposium (IAUS). No.164. Springer , Dordrecht, pp. 291-300. ISBN 9780792335382. https://resolver.caltech.edu/CaltechAUTHORS:20190530-103644174

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Abstract

I review two observational programs which, together, promise to unravel the detailed astrophysical evolution of normal field galaxies over the last 5–7 Gyr. Systematic ground-based spectroscopy of faint galaxies have revealed an increasing faint end slope for the luminosity function with red-shift. The trend is strongest for galaxies undergoing intense star-formation. Deep images taken with the repaired HST can be used to count galaxies as a function of morphological type. Regular “Hubble sequence” galaxies follow the no-evolution prediction, but irregular/peculiar sources have a steeper count slope and provide the excess population. Although the overlap between the spectral and HST samples is currently small, plans to merge similar datasets should reveal the physical explanation for the demise of star formation in faint blue galaxies since z ≃0.5–1.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1007/978-94-011-0125-7_28DOIArticle
https://rdcu.be/b4iGbPublisherFree ReadCube access
ORCID:
AuthorORCID
Ellis, Richard S.0000-0001-7782-7071
Additional Information:© Springer Science+Business Media Dordrecht 1995. The Autofib survey involves Matthew Colless, Tom Broadhurst, Jeremy Heyl and Karl Glazebrook and the Medium Deep Survey is led by Richard Griffiths. I thank all co-workers for allowing me to present data prior publication. I acknowledge financial support from the IAU and the assistance of Jacqueline Bergeron and Piet van der Kruit.
Subject Keywords:Star Formation; Hubble Space Telescope; Luminosity Function; Apparent Magnitude; Absolute Normalisation
Series Name:International Astronomical Union Symposium (IAUS)
Issue or Number:164
DOI:10.1007/978-94-011-0125-7_28
Record Number:CaltechAUTHORS:20190530-103644174
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190530-103644174
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:95959
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:30 May 2019 17:48
Last Modified:16 Nov 2021 17:17

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