The Structural Properties of a Sample of Blue Compact Galaxies

Details The Structural Properties of a Sample of Blue Compact Galaxies The Structural Properties of a Sample of Blue Compact Galaxies

Jun 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aspc..390..290a&link_type=abstract

Pathways Through an Eclectic Universe ASP Conference Series, Vol. 390, proceedings of the conference held 23-27 April, 2007 at S

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Scientific paper

We study the structural properties of the low surface brightness stellar hosts in blue compact galaxies by fitting a two-dimensional Sérsic law to their optical images. The accurate isolation of the starburst emission is an important strength of the method. It allows us to obtain more reliable structural parameters, especially when a Sérsic law is fitted. Preliminary results on the structural properties of the host galaxy for a sample of 28 blue compact galaxies are presented here. Correlations between galaxy and starburst sizes, luminosities, central surface brightnesses, colors and the Sérsic index n, as well as with the neutral hydrogen mass and line width, W20, are studied. Furthermore, we compare the structural properties of the sample with those of other types of dwarf galaxies in order to shed some light on possible evolutionary connections.

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