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Spectral Energy Distributions of LIRGs

Published online by Cambridge University Press:  03 June 2010

Vivian U  and
D. B. Sanders
Vivian U
Affiliation:
NASA Jenkins Predoctoral Fellow Email: vivian@ifa.hawaii.edu SAO Predoctoral Fellow, Harvard-Smithsonian CfA, Cambridge, MA 02138, USA Institute for Astronomy, University of Hawaii, Honolulu, HI96822, USA
D. B. Sanders
Affiliation:
Institute for Astronomy, University of Hawaii, Honolulu, HI96822, USA
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Abstract

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We present preliminary results from a study of the SEDs of a complete sample of 65 LIRGs from GOALS. The spectral shapes at λ > 10μm are similar, while the largest variations occur in the NIR (L1μm5μm/L⊙ ~ 1.0–0.01) and UV (L1μm0.12μm/L⊙ ~ 2.0–0.005). Using stellar population synthesis models to fit the UV–NIR continuum data, we derive stellar masses for the host galaxies of log (M*/M⊙) ~ 10.2–11.4 with a mean of ~ 10.8.

Keywords

galaxies: interactionsgalaxies: fundamental parameters
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S267: Co-Evolution of Central Black Holes and Galaxies , August 2009 , pp. 143
Copyright
Copyright © International Astronomical Union 2010

References

Armus, L., et al. 2009, PASP, 30, 490Google Scholar
Sanders, D. B. & Mirabel, I. F. 1996, ARAA, 34, 749CrossRefGoogle Scholar