Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21333403p&link_type=abstract
American Astronomical Society, AAS Meeting #213, #334.03; Bulletin of the American Astronomical Society, Vol. 41, p.395
Astronomy and Astrophysics
Astronomy
Scientific paper
I will present an investigation of the of the fine structure and molecular lines in a sample of Luminous Infrared Galaxies as part of the Great Observatory All-sky LIRG Survey (GOALS) Legacy project. We search for buried AGN emission via the detection of high-ionization fine structure lines and find that [Ne V] is detected in 14% of our sources. We compare the ratios of fine structure lines with the equivalent width of the 6.2 PAH line to estimate the relative importance of a starburst or a buried AGN to the bolometric luminosity. For several sources we find very high [Fe II]/[OIV] ratios that are similar to what is seen in extreme starbursts. I will also report on the H2 properties of those sources, and compare with what is found in nearby Galaxies, and in the brighter ULIRGs.
Appleton Ph.
Armus Lee
Chan Ben
Evans Aaron
Howell John
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