484 citations
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17 papers · 1 filter
The ALMA-PILS survey: Gas dynamics in IRAS 162932422 and the connection between its two protostars
M. H. D. van der Wiel, S. K. Jacobsen, J. K. Jørgensen +10
[Abridged] The majority of stars form in binary or higher order systems. The Class 0 protostellar system IRAS16293-2422 contains two protostars, 'A' and 'B', separated by ~600 au a…
The challenges of modelling microphysics: ambipolar diffusion, chemistry, and cosmic rays in MHD shocks
T. Grassi, M. Padovani, J. P. Ramsey +4
From molecular clouds to protoplanetary disks, non-ideal magnetic effects are important in many astrophysical environments. Indeed, in star and disk formation processes, it has bec…
The effect of non-equilibrium metal cooling on the interstellar medium
Pedro R. Capelo, Stefano Bovino, Alessandro Lupi +2
By using a novel interface between the modern smoothed particle hydrodynamics code GASOLINE2 and the chemistry package KROME, we follow the hydrodynamical and chemical evolution of…
H ortho-to-para conversion on grains: A route to fast deuterium fractionation in dense cloud cores?
Stefano Bovino, Tommaso Grassi, Dominik R. Schleicher +1
Deuterium fractionation, i.e. the enhancement of deuterated species with respect to the non-deuterated ones, is considered to be a reliable chemical clock of star-forming regions.…
Alignment Between Protostellar Outflows and Filamentary Structure
Ian W. Stephens, Michael M. Dunham, Philip C. Myers +13
We present new Submillimeter Array (SMA) observations of CO(2-1) outflows toward young, embedded protostars in the Perseus molecular cloud as part of the Mass Assembly of Stellar S…
ALMA observations of dust polarization and molecular line emission from the Class 0 protostellar source Serpens SMM1
Charles L. H. Hull, Josep M. Girart, Łukasz Tychoniec +10
We present high angular resolution dust polarization and molecular line observations carried out with the Atacama Large Millimeter/submillimeter Array (ALMA) toward the Class 0 pro…