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Mid-J CO shock tracing observations of infrared dark clouds II Low-J CO constraints on excitation, depletion, and kinematics
A. Pon, D. Johnstone, P. Caselli +6
Infrared dark clouds are kinematically complex molecular structures in the interstellar medium that can host sites of massive star formation. We present 4 square arcminute maps of…
The first Galaxy scale hunt for the youngest high-mass protostars
T. Csengeri, S. Bontemps, F. Wyrowski +17
The origin of massive stars is a fundamental open issue in modern astrophysics. Pre-ALMA interferometric studies reveal precursors to early B to late O type stars with collapsing e…
A submillimeter search for pre- and proto-brown dwarfs in Chamaeleon II
I. de Gregorio-Monsalvo, D. Barrado, H. Bouy +7
Context. Chamaeleon II molecular cloud is an active star forming region that offers an excellent opportunity for studying the formation of brown dwarfs in the southern hemisphere.…
Ongoing star formation in the proto-cluster IRAS 22134+5834
Yuan Wang, Marc Audard, Francesco Fontani +9
IRAS 22134+5834 was observed in the centimeter with (E)VLA, 3~mm with CARMA, 2~mm with PdBI, and 1.3~mm with SMA, to study the continuum emission as well as the molecular lines, th…
Radio monitoring of the periodically variable IR source LRLL 54361: No direct correlation between the radio and IR emissions
Jan Forbrich, Luis F. Rodríguez, Aina Palau +3
LRLL 54361 is an infrared source located in the star forming region IC 348 SW. Remarkably, its infrared luminosity increases by a factor of 10 during roughly one week every 25.34 d…
Origin and kinematics of the eruptive flow from XZ Tau revealed by ALMA
Luis A. Zapata, Roberto Galvan-Madrid, Carlos Carrasco-Gonzalez +6
We present high angular resolution (0.94) CO(1-0) Atacama Large Millimeter/Submillimeter Array (ALMA) observations obtained during the 2014 long baseline campaign f…