FAR-INFRARED FINE-STRUCTURE LINE DIAGNOSTICS OF ULTRALUMINOUS INFRARED GALAXIES
FAR-INFRARED FINE-STRUCTURE LINE DIAGNOSTICS OF ULTRALUMINOUS INFRARED GALAXIES
We present Herschel observations of 6 fine-structure lines in 25 ultraluminous infrared galaxies at z < 0.27. The lines, [O iii]52 μm, [N iii]57 μm, [O i]63 μm, [N ii]122 μm, [O i]145 μm, and [C ii]158 μm, are mostly single Gaussians with widths <600 km s−1 and luminosities of …