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 | |||||||||
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| 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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