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89 papers · 1 filter
Collisional excitation of doubly deuterated ammonia NHD2 by para-H2
Laurent Wiesenfeld, Emmanuele Scifoni, Alexandre Faure +1
Collisional de-excitation rates of partially deuterated molecules are different from the fully hydrogenated species because of lowering of symmetry. We compute the collisional (de)…
Excitation of H in photodissociation regions as seen by Spitzer
Emilie Habart, Alain Abergel, Francois Boulanger +5
We present spectroscopic observations obtained with the infrared Spitzer Space Telescope, which provide insight into the H physics and gas energetics in photodissociation Regio…
Water in Star-Forming Regions with the Herschel Space Observatory (WISH): Overview of key program and first results
E. F. van Dishoeck, L. E. Kristensen, A. O. Benz +12
`Water In Star-forming regions with Herschel' (WISH) is a key program on the Herschel Space Observatory designed to probe the physical and chemical structure of young stellar objec…
A comprehensive classification of galaxies in the SDSS: How to tell true from fake AGN?
R. Cid Fernandes, G. Stasinska, A. Mateus +1
We use the W_Ha versus [NII]/Ha (WHAN) diagram to provide a comprehensive emission-line classification of SDSS galaxies. This classification is able to cope with the large populati…
Energy estimate for initial data on a characteristic cone
Yvonne Choquet-Bruhat, José M. Martín-García
The Einstein equations in wave map gauge are a geometric second order system for a Lorentzian metric. To study existence of solutions of this hyperbolic quasi diagonal system with…
Toward a Universal Formulation of the Halo Mass Function
P. S. Corasaniti, I. Achitouv
We compute the dark matter halo mass function using the excursion set formalism for a diffusive barrier with linearly drifting average which captures the main features of the ellip…