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The Void Galaxy Survey: Morphology and Star Formation Properties of Void Galaxies

Published online by Cambridge University Press:  12 October 2016

Burcu Beygu ,
Kathryn Kreckel ,
Thijs van der Hulst ,
Reynier Peletier ,
Tom Jarrett ,
Rien van de Weygaert ,
Jacqueline H. van Gorkom  and
Miguel Aragón-Calvo
Burcu Beygu
Affiliation:
Kapteyn Astron. Inst., Univ. Groningen, PO Box 800, 9700 AV Groningen, the Netherlands email: [email protected]
Kathryn Kreckel
Affiliation:
MPIA, Königstuhl 17, 69117 Heidelberg, Germany
Thijs van der Hulst
Affiliation:
Kapteyn Astron. Inst., Univ. Groningen, PO Box 800, 9700 AV Groningen, the Netherlands email: [email protected]
Reynier Peletier
Affiliation:
Kapteyn Astron. Inst., Univ. Groningen, PO Box 800, 9700 AV Groningen, the Netherlands email: [email protected]
Tom Jarrett
Affiliation:
Dept. Astron., Univ. Cape Town, Private Bag X3, Rondebosch 7701, South Africa
Rien van de Weygaert
Affiliation:
Kapteyn Astron. Inst., Univ. Groningen, PO Box 800, 9700 AV Groningen, the Netherlands email: [email protected]
Jacqueline H. van Gorkom
Affiliation:
Columbia University, MC 5246, 550 W120th St., New York, NY 10027, USA
Miguel Aragón-Calvo
Affiliation:
University of California, Riverside, CA 92521, USA
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Abstract

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We present the structural and star formation properties of 59 void galaxies as part of the Void Galaxy Survey (VGS). Our aim is to study in detail the physical properties of these void galaxies and study the effect of the void environment on galaxy properties. We use Spitzer 3.6μ and B-band imaging to study the morphology and color of the VGS galaxies. For their star formation properties, we use Hα and GALEX near-UV imaging. We compare our results to a range of galaxies of different morphologies in higher density environments. We find that the VGS galaxies are in general disk dominated and star forming galaxies. Their star formation rates are, however, often less than 1 M⊙ yr-1. There are two early-type galaxies in our sample as well. In re versus MB parameter space, VGS galaxies occupy the same space as dwarf irregulars and spirals.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , Symposium S308: The Zeldovich Universe: Genesis and Growth of the Cosmic Web , June 2014 , pp. 600 - 605
Copyright
Copyright © International Astronomical Union 2016 

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