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Ex Lupi from Quiescence to Outburst: Exploring the LTE Approach in Modelling Blended H2O and OH Mid-Infrared Emission
A. Banzatti, M. R. Meyer, S. Bruderer +6
We present a comparison of archival Spitzer spectra of the strongly variable T Tauri EX Lupi, observed before and during its 2008 outburst. We analyze the mid-infrared emission fro…
Water in star-forming regions with Herschel: highly excited molecular emission from the NGC 1333 IRAS 4B outflow
Gregory J. Herczeg, Agata Karska, Simon Bruderer +9
During the embedded phase of pre-main sequence stellar evolution, a disk forms from the dense envelope while an accretion-driven outflow carves out a cavity within the envelope. Hi…
Modelling Herschel observations of hot molecular gas emission from embedded low-mass protostars
R. Visser, L. E. Kristensen, S. Bruderer +6
Aims. Young stars interact vigorously with their surroundings, as evident from the highly rotationally excited CO (up to Eup=4000 K) and H2O emission (up to 600 K) detected by the…
Herschel Measurements of Molecular Oxygen in Orion
Paul F. Goldsmith, Rene Liseau, Tom A. Bell +31
We report observations of three rotational transitions of molecular oxygen (O2) in emission from the H2 Peak 1 position of vibrationally excited molecular hydrogen in Orion. We obs…
First hyperfine resolved far-infrared OH spectrum from a star-forming region
S. F. Wampfler, S. Bruderer, L. E. Kristensen +9
OH is an important molecule in the H2O chemistry and the cooling budget of star-forming regions. The goal of the Herschel key program `Water in Star-forming regions with Herschel'…
Tracing FUV Radiation in the Embedded Phase of Star Formation
Arnold O. Benz, Simon Bruderer, Ewine F. van Dishoeck +3
Molecules containing one or a few hydrogen atoms and a heavier atom (hydrides) have been predicted to trace FUV radiation. In some chemical models, FUV emission by the central obje…