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Star formation in dwarf galaxies in the ELAIS N1 field

Published online by Cambridge University Press:  30 October 2019

Tímea O. Kovács ,
Denis Burgarella  and
L. Viktor Tóth Open the ORCID record for L. Viktor Tóth [Opens in a new window]
Tímea O. Kovács
Affiliation:
Eötvös Loránd University, Hungary
Denis Burgarella
Affiliation:
Laboratoire d’Astrophysique de Marseille, France
L. Viktor Tóth
Affiliation:
Eötvös Loránd University, Hungary Konkoly Observatory of the Hungarian Academy of Sciences, Hungary
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Abstract

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We estimated several parameters of dwarf galaxies, including their star formation rate and dust mass, and compared them with galaxies with larger stellar masses.

We have chosen dwarf galaxies in the ELAIS N1 field, and fitted their Spectral Energy Distributions (SED). We used data from the new Herschel SPIRE and PACS Point Source catalogues to constrain the infrared radiation. Data available in VIZIER from multiple surveys have also been used.

We determined that the star formation rate (SFR), M* and Mdust is one order of magnitude lower in dwarf galaxies compared to galaxies with larger stellar masses. However, the starburtiness was higher in the dwarf galaxies. They also had lower redshifts than normal galaxies, so we compared them to a subsample of normal galaxies with lower redshifts. The dust masses and SFRs of the dwarf galaxies were slightly lower, but their starburtiness was higher.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S344: Dwarf Galaxies: From the Deep Universe to the Present , August 2018 , pp. 292 - 295
Copyright
© International Astronomical Union 2019 

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