Thumbnail Image
Publication

Dusty Galaxies: Modeling Infrared Spectra from Heavily Obscured Objects

Viola, Vincent Franklin
Citations
Altmetric:
Contributor
Photographer
Author
Viola, Vincent Franklin
Artist
Editor
Advisor
Keywords
Text, Physics, Department of, Honors papers, Student research
Local ID
Collections
Honors Papers
Show all metadata
Files
Thumbnail Image
Viola Honors Paper Revised.pdf
Adobe PDF, 1.2 MB
URI
http://hdl.handle.net/10267/27460
Abstract
We fit models to heavily obscured infrared spectra taken by the Spitzer Space Telescope and prepare them for cataloguing in the Infrared Database of Extragalactic Observables from Spitzer (IDEOS). The software we use, QUESTFIT, models the spectra using up to three extincted blackbodies (including silicate, water ice, and hydrocarbon absorption) and PAH templates. We present results from a sample of the approximately 200 heavily obscured spectra that will be present in IDEOS. We will explore some of the physical properties of the various types of dust, such as their mechanisms for emission and absorption. Based on our results, we can draw conclusions as to the nature of absorbing material surrounding the galaxies, as well as potential domination by active galactic nuclei or starbursts
Description
Scanned and uploaded with the author's permission.