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Velocity resolved [CII] spectroscopy of the center and the BCLMP302 region of M33 (HerM33es)
B. Mookerjea, F. Israel, C. Kramer +8
We aim to understand the contribution of the ionized, atomic and molecular phases of the ISM to the [CII] emission from clouds near the dynamical center and the BCLMP302 HII region…
The fine structure line deficit in S 140
Volker Ossenkopf, Evgenia Koumpia, Yoko Okada +5
We try to understand the gas heating and cooling in the S 140 star forming region by spatially and spectrally resolving the distribution of the main cooling lines with GREAT/SOFIA.…
Herschel observations of interstellar chloronium. II - Detections toward G29.96-0.02, W49N, W51, and W3(OH), and determinations of the ortho-to-para and Cl/Cl isotopic ratios
David A. Neufeld, John H. Black, Maryvonne Gerin +13
We report additional detections of the chloronium molecular ion, HCl, toward four bright submillimeter continuum sources: G29.96, W49N, W51, and W3(OH). With the use of the…
Temperatures of dust and gas in S~140
E. Koumpia, P. M. Harvey, V. Ossenkopf +4
In dense parts of interstellar clouds (> 10^5 cm^-3), dust & gas are expected to be in thermal equilibrium, being coupled via collisions. However, previous studies have shown that…
High Spectral and Spatial Resolution Observations of the PDR Emission in the NGC2023 Reflection Nebula with SOFIA and APEX
G. Sandell, B. Mookerjea, R. Guesten +3
We have mapped the NGC 2023 reflection nebula in [CII] and CO(11--10) with the heterodyne receiver GREAT on SOFIA and obtained slightly smaller maps in 13CO(3--2), CO(3--2), CO(4--…