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Warm gas towards young stellar objects in Corona Australis - Herschel/PACS observations from the DIGIT key programme
Johan E. Lindberg, Jes K. Jørgensen, Joel D. Green +5
The effects of external irradiation on the chemistry and physics in the protostellar envelope around low-mass young stellar objects are poorly understood. The Corona Australis star…
Neutral and Ionized Hydrides in Star-forming Regions -- Observations with Herschel/HIFI
Arnold O. Benz, Simon Bruderer, Ewine F. van Dishoeck +2
The cosmic abundance of hydrides depends critically on high-energy UV, X-ray, and particle irradiation. Here we study hydrides in star-forming regions where irradiation by the youn…
Observational evidence for dissociative shocks in the inner 100 AU of low-mass protostars using Herschel-HIFI
L. E. Kristensen, E. F. van Dishoeck, A. O. Benz +3
Herschel-HIFI spectra of H2O towards low-mass protostars show a distinct velocity component not seen in observations from the ground of CO or other species. The aim is to character…
Water in star forming regions with Herschel (WISH) III. Far-infrared cooling lines in low-mass young stellar objects
A. Karska, G. J. Herczeg, E. F. van Dishoeck +22
(Abridged) Far-infrared Herschel-PACS spectra of 18 low-mass protostars of various luminosities and evolutionary stages are studied. We quantify their far-infrared line emission an…