What powers ultraluminous IRAS galaxies?

R Genzel, D Lutz, E Sturm, E Egami… - The Astrophysical …, 1998 - iopscience.iop.org
R Genzel, D Lutz, E Sturm, E Egami, D Kunze, AFM Moorwood, D Rigopoulou, HWW Spoon…
The Astrophysical Journal, 1998iopscience.iop.org
We present an ISO SWS and ISOPHOT-S, mid-infrared spectroscopic survey of 15
ultraluminous IRAS galaxies (L IR≥ 10 12 L &sun;). We combine the survey results with a
detailed case study, based on arcsecond resolution, near-IR, and millimeter imaging
spectroscopy, of one of the sample galaxies (UGC 5101). We compare the near-and mid-IR
characteristics of these ultraluminous galaxies to ISO and literature data of 30 starburst and
active galactic nuclei (AGN) template galaxies. We find the following:
Abstract
We present an ISO SWS and ISOPHOT-S, mid-infrared spectroscopic survey of 15 ultraluminous IRAS galaxies (L IR≥ 10 12 L &sun;). We combine the survey results with a detailed case study, based on arcsecond resolution, near-IR, and millimeter imaging spectroscopy, of one of the sample galaxies (UGC 5101). We compare the near-and mid-IR characteristics of these ultraluminous galaxies to ISO and literature data of 30 starburst and active galactic nuclei (AGN) template galaxies. We find the following:
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