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SWAS and Arecibo observations of H2O and OH in a diffuse cloud along the line-of-sight to W51
David A. Neufeld, Michael J. Kaufman, Paul F. Goldsmith +2
Observations of W51 with the Submillimeter Wave Astronomy Satellite (SWAS) have yielded the first detection of water vapor in a diffuse molecular cloud. The water vapor lies in a f…
ISO--LWS observations of the two nearby spiral galaxies: NGC6946 and NGC1313
A. Contursi, M. J. Kaufman, G. Helou +8
(Abridged) We present the analysis of the main FIR fine structure lines emission in NGC1313 and NGC6946. We calculate that a component probably associated with the diffuse disks co…
Photoevaporation of Clumps in Photodissociation Regions
Uma Gorti, David Hollenbach
We present the results of an investigation of the effects of Far Ultraviolet (FUV) radiation from hot early type OB stars on clumps in star-forming molecular clouds. Clumps in Phot…
Time Dependence of the Ultraviolet Radiation Field in the Local Interstellar Medium
Antonio Parravano, David J. Hollenbach, Christopher F. McKee
Far Ultraviolet radiation has been recognized as the main source of heating of the neutral interstellar gas, and, as a consequence, it determines whether the thermal balance of the…