Dust and Star Formation in Early-type Dwarf Elliptical Galaxies in the Fornaxand Virgo Cluster

Corporaal, A. H. (2017) Dust and Star Formation in Early-type Dwarf Elliptical Galaxies in the Fornaxand Virgo Cluster. Bachelor's Thesis, Astronomy.

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Abstract

Physical properties of dust in early-type dwarf elliptical galaxies (dEs) in the Fornax- and Virgo cluster have been determined by using Spectral Energy Distribution (SED) modelling. 6 objects in the Fornax cluster and 19 objects in the Virgo cluster have been detected using the Wide-Field Infrared Survey Explorer (WISE) and the Herschel Space Observatory. For these galaxies dust temperature, integrated infrared luminosity, star formation rate and an rough estimate for the stellar mass are determined. In addition, the dust masses are determined for 4 galaxies in the Fornax cluster and for 4 galaxies in the Virgo cluster. The physical properties for the Fornax cluster and the Virgo cluster are comparable within the uncertainties. It was found the dwarf ellipticals in the sample have a significant dust content. Upper limits on the flux densities, however, are not taken into account in this research.

Item Type:	Thesis (Bachelor's Thesis)
Degree programme:	Astronomy
Thesis type:	Bachelor's Thesis
Language:	English
Date Deposited:	15 Feb 2018 08:29
Last Modified:	15 Feb 2018 08:29
URI:	https://fse.studenttheses.ub.rug.nl/id/eprint/15367

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