Poster Title

Measuring the Sizes & Shapes of Galaxies

Presenter Information

Samir KusmicFollow

Grade Level at Time of Presentation

Junior

Institution

University of Louisville

KY House District #

38

KY Senate District #

37

Department

Department of Physics and Astronomy

Abstract

We use software to get galaxy morphometrics, so we can go into further study. However, in the coming decade, new surveys are expected to increase galaxy count one thousand fold, and we will be lagging behind in computation. Therefore, we looked into software alternatives than what we use now to see how quick, precise, and accurate the parameters we get. We looked into a software called Source Extractor and compared its computations to GALFIT and then correlate with spectroscopic redshift. Source Extractor ran for 8-10 hours, substantially quicker than GALFIT, but it not precise as GALFIT. It does, however, show trends that agree with current understanding, and the models used in Source Extractor can be used to discern morphology of galaxies. Overall, Source Extractor would be good for a quick first look.

This document is currently not available here.

Share

COinS
 

Measuring the Sizes & Shapes of Galaxies

We use software to get galaxy morphometrics, so we can go into further study. However, in the coming decade, new surveys are expected to increase galaxy count one thousand fold, and we will be lagging behind in computation. Therefore, we looked into software alternatives than what we use now to see how quick, precise, and accurate the parameters we get. We looked into a software called Source Extractor and compared its computations to GALFIT and then correlate with spectroscopic redshift. Source Extractor ran for 8-10 hours, substantially quicker than GALFIT, but it not precise as GALFIT. It does, however, show trends that agree with current understanding, and the models used in Source Extractor can be used to discern morphology of galaxies. Overall, Source Extractor would be good for a quick first look.