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Paper: CO Line SEDs in Local Luminous Infrared Galaxies
Volume: 408, The Starburst−AGN Connection
Page: 86
Authors: Ao, Y.; Weiß, A.; Walter, F.; Güsten, R.; Henkel, C.; Menten, K.M.
Abstract: A small sample of 5 bright luminous infrared galaxies (LIRGs) was observed and the CO(J=3→2) mapping results reveal the gas distribution concentrated on the galactic nuclei. For NGC 3256, the maps in the CO(3−2), (4−3) and (6−5) transitions were obtained. Together with the measurements in the lower transitions from the literatures, the peak of the CO line spectral energy distribution was found at CO(5−4). Local LIRG NGC 3256 shows slightly lower excitation conditions than the submm galaxies (SMGs).
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