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Extended UV Disk (XUV-disk) Galaxies

Published online by Cambridge University Press:  01 August 2006

Luciana Bianchi ,
David Thilker ,
Armando Gil de Paz  and
Barry Madore
Luciana Bianchi
Affiliation:
Dept. of Phys. & Astron., Johns Hopkins Univ., USA email: bianchi@pha.jhu.edu, http://dolomiti.pha.jhu.edu
David Thilker
Affiliation:
Dept. of Phys. & Astron., Johns Hopkins Univ., USA email: bianchi@pha.jhu.edu, http://dolomiti.pha.jhu.edu
Armando Gil de Paz
Affiliation:
UCM, Spain
Barry Madore
Affiliation:
OCIW, USA
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Abstract

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Motivated by the GALEX discovery of recent star formation in outermost regions of M83 and NGC4625, we have investigated the nature of the XUV disks with follow-up high resolution imaging and spectroscopy, and attempted to detect them at other wavelengths (IR, Hα). We searched for additional XUV-disk galaxies in the local universe, in order to quantify the incidence of the XUV-disk phenomenon, infer the causes of such extended star formation (SF), and place these systems in the context of disk galaxy evolution.

Keywords

galaxies: formationgalaxies: spiralgalaxies: structureultraviolet: galaxies
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S235: Galaxy Evolution Across the Hubble Time , August 2006 , pp. 301
Copyright
Copyright © International Astronomical Union 2007