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- Centre National de la Recherche ScientifiqueFR344 papers
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8 papers · 1 filter
Non-thermal desorption of complex organic molecules: Cosmic-ray sputtering of CH3OH embedded in CO2 ice
E. Dartois, M. Chabot, A. Bacmann +3
Methanol ice is embedded in interstellar ice mantles present in dense molecular clouds. We aim to measure the sputtering efficiencies starting from different ice mantles of varying…
Coulomb explosion of polycyclic aromatic hydrocarbons induced by heavy cosmic rays: carbon chains production rates
Marin Chabot, Karine Béroff, Emmanuel Dartois +2
Cosmic Rays (CR) process the matter of the Interstellar Medium. Such energetic processing not only modifies the interstellar matter but also injects chemical species in the gas pha…
A dynamics-free lower bound on the mass of our galaxy
Dennis Zaritsky, Helene Courtois
We use a sample of Milky Way (MW) analogs for which we have stellar and disk gas mass measurements, published measurements of halo gas masses of the MW and of similar galaxies, and…
Heavy ion irradiation of crystalline water ice
E. Dartois, B. Augé, P. Boduch +9
Under cosmic irradiation, the interstellar water ice mantles evolve towards a compact amorphous state. Crystalline ice amorphisation was previously monitored mainly in the keV to h…
The 2014 KIDA network for interstellar chemistry
V. Wakelam, J. -C. Loison, E. Herbst +21
Chemical models used to study the chemical composition of the gas and the ices in the interstellar medium are based on a network of chemical reactions and associated rate coefficie…
Giant disk galaxies : Where environment trumps mass in galaxy evolution
H. M. Courtois, D. Zaritsky, J. G. Sorce +1
We identify some of the most HI massive and fastest rotating disk galaxies in the local universe with the aim of probing the processes that drive the formation of these extreme dis…