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A highly collimated jet from the low mass proto-star NGC1333 IRAS 4B
J. -F. Desmurs, C. Codella, J. Santiago-Garcia +2
We imaged the protostars of the nearby region NGC1333 IRAS 4 in the water maser line at 22.2 GHz by using the VLBA in phase referencing at milliarcsecond scale over four epochs spa…
Shells, jets, and internal working surfaces in the molecular outflow from IRAS 04166+2706
J. Santiago-Garcia, M. Tafalla, D. Johnstone +1
Context: IRAS 04166+2706 in Taurus is one of the most nearby young stellar objects whose molecular outflow contains a highly collimated fast component. Methods: We have observed th…
Complex Molecules in the L1157 Molecular Outflow
Héctor G. Arce, Joaquín Santiago-García, Jes K. Jørgensen +2
We report the detection of complex organic molecules in the young protostellar outflow L1157. We identify lines from HCOOCH3, CH3CN, HCOOH and C2H5OH at the position of the B1 shoc…
Dynamics of Dense Cores in the Perseus Molecular Cloud
Helen Kirk, Doug Johnstone, Mario Tafalla
We survey the kinematics of over one hundred and fifty candidate (and potentially star-forming) dense cores in the Perseus molecular cloud with pointed N2H+(1-0) and simultaneous C…
Cold Dark Clouds: The Initial Conditions for Star Formation
Edwin A. Bergin, Mario Tafalla
Cold dark clouds are nearby members of the densest and coldest phase in the galactic interstellar medium, and represent the most accessible sites where stars like our Sun are curre…
The IC1396N proto-cluster at a scale of 250 AU
R. Neri, A. Fuente, C. Ceccarelli +7
We investigate the mm-morphology of IC1396N with unprecedented spatial resolution to analyze its dust and molecular gas properties, and draw comparisons with objects of similar mas…