Herschel/PACS spectroscopy of NGC 4418 and Arp 220: H2O, (H2O)-O-18, OH, (OH)-O-18, OI, HCN, and NH3

Full range Herschel/PACS spectroscopy of the (ultra)luminous infrared galaxies NGC 4418 and Arp 220, observed as part of the SHINING key programme, reveals high excitation in H 2O, OH, HCN, and NH 3. In NGC 4418, absorption lines were detected with E lower > 800 K (H 2O), 600 K (OH), 1075 K (...

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Hlavní autoři:	Gonzalez-Alfonso, E, Fischer, J, Gracia-Carpio, J, Sturm, E, Hailey-Dunsheath, S, Lutz, D, Poglitsch, A, Contursi, A, Feuchtgruber, H, Veilleux, S, Spoon, H, Verma, A, Christopher, N, Davies, R, Sternberg, A, Genzel, R, Tacconi, L
Médium:	Journal article
Jazyk:	English
Vydáno:	2012

Herschel/PACS spectroscopy of NGC 4418 and Arp 220: H2O, (H2O)-O-18, OH, (OH)-O-18, OI, HCN, and NH3

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