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Testing environmental influences on star formation with a sample of Low Surface Brightness dwarf galaxies in the Vigo cluster

Published online by Cambridge University Press:  12 April 2016

Ana Heller ,
Elchanan Almoznino  and
Noah Brosch
Ana Heller
Affiliation:
The Wise Observatory and the School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
Elchanan Almoznino
Affiliation:
The Wise Observatory and the School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
Noah Brosch
Affiliation:
The Wise Observatory and the School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel

Abstract

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We analyze the star formation activity of an homogeneous LSB dwarf galaxy sample in the Virgo cluster, as a function of the radial velocity relative to the cluster mean velocity and the projected distance from the center of the cluster, using CCD images obtained at the Wise Observatory. The localized Hα emission in the HII regions of this sample is compared to that of an isolated gas-rich sample of LSB dwarf galaxies and that of a representative sample of Blue Compact Dwarf (BCD) galaxies in the cluster. We report preliminary results on the LSB dwarf star formation histories obtained from surface color distribution.

Keywords

LSB dwarf galaxiesenvironmentstar formation
Type
The evolution of Low Surface Brightness galaxies
Information
International Astronomical Union Colloquium , Volume 171: The Low Surface Brightness Universe , 1999 , pp. 282 - 289
Copyright
Copyright © Astronomical Society of the Pacific 1999

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