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On the nature of the peculiar superthin LSB galaxy UGC 12281

Published online by Cambridge University Press:  17 August 2012

Philip Günster  and
Dominik J. Bomans
Philip Günster
Affiliation:
Astronomisches Institut, Ruhr-Universität Bochum, Universitässtraße 150, D-44801 Bochum, Germany email: guenster@astro.rub.de, bomans@astro.rub.de
Dominik J. Bomans
Affiliation:
Astronomisches Institut, Ruhr-Universität Bochum, Universitässtraße 150, D-44801 Bochum, Germany email: guenster@astro.rub.de, bomans@astro.rub.de
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Abstract

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UGC 12281 has been classified as having a pure disk and being a low surface brightness galaxy (LSBG), thus being an obvious member of the so-called superthin galaxies. At the same time it represents an extremely untypical type of LSBG due to its remarkable amount of current star formation and evidence for extraplanar ionized gas. This makes it become a perfect tool to investigate the triggering of star formation in LSB galaxies, located in an alleged isolated area. By means of deep photometry and long-slit spectroscopy we analyse the Hα halo and verify the existence of a potential dwarf companion which we found on processed SDSS images.

Keywords

galaxies: evolutiongalaxies: dwarfgalaxies: halos
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S284: The Spectral Energy Distribution of Galaxies , September 2011 , pp. 138 - 140
Copyright
Copyright © International Astronomical Union 2012

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