Searches for ultracompact dwarf galaxies in galaxy groups

Evstigneeva, E., Drinkwater, M. J., Jurek, R., Firth, P., Jones, J. B., Gregg, M. D. and Phillips, S. (2007) Searches for ultracompact dwarf galaxies in galaxy groups. Monthly Notices of the Royal Astronomical Society, 378 3: 1036-1042. doi:10.1111/j.1365-2966.2007.11856.x


Author Evstigneeva, E.
Drinkwater, M. J.
Jurek, R.
Firth, P.
Jones, J. B.
Gregg, M. D.
Phillips, S.
Title Searches for ultracompact dwarf galaxies in galaxy groups
Journal name Monthly Notices of the Royal Astronomical Society   Check publisher's open access policy
ISSN 0035-8711
1365-2966
Publication date 2007-07-01
Year available 2007
Sub-type Article (original research)
DOI 10.1111/j.1365-2966.2007.11856.x
Open Access Status DOI
Volume 378
Issue 3
Start page 1036
End page 1042
Total pages 7
Editor Fabian, A. C.
Place of publication Oxford, United Kingdom
Publisher Oxford University Press
Collection year 2008
Language eng
Abstract We present the results of a search for ultracompact dwarf galaxies (UCDs) in six different galaxy groups: Dorado, NGC 1400, 0681, 4038, 4697 and 5084. We searched in the apparent magnitude range 17.5 ≤ bJ ≤ 20.5 (except NGC 5084: 19.2 ≤ bJ ≤ 21.0). We found one definite plus two possible UCD candidates in the Dorado group and two possible UCD candidates in the NGC 1400 group. No UCDs were found in the other groups. We compared these results with predicted luminosities of UCDs in the groups according to the hypothesis that UCDs are globular clusters formed in galaxies. The theoretical predictions broadly agree with the observational results, but deeper surveys are needed to fully test the predictions.
Q-Index Code C1

 
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Created: Fri, 04 Apr 2008, 23:05:58 EST by Jenny Robinson on behalf of School of Mathematics & Physics