[43.05] The Infrared Spectral Energy Distribution of Normal Star-Forming Galaxies: Calibration at Far-Infrared and Submillimeter Wavelengths

AAS 200th meeting, Albuquerque, NM, June 2002
Session 43. Galaxies
Display, Tuesday, June 4, 2002, 10:00am-6:30pm, SW Exhibit Hall

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[43.05] The Infrared Spectral Energy Distribution of Normal Star-Forming Galaxies: Calibration at Far-Infrared and Submillimeter Wavelengths

D. A. Dale (University of Wyoming), G. Helou (Caltech)

New far-infrared and submillimeter data are used to solidify and to extend to long wavelengths the empirical calibration of the infrared spectral energy distribution of normal star-forming galaxies. The far-infrared/submillimeter dust emissivity is slightly modified as a function of the radiation field intensity to better match the long wavelength data. Results from relevant applications are presented, including submillimeter-based photometric redshift indicators, the infrared energy budget and simple formulae for recovering the bolometric infrared luminosity, and dust mass estimates in galaxies.

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