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A highly-collimated SiO jet in the HH212 protostellar outflow
C. Codella, S. Cabrit, F. Gueth +4
We mapped the HH212 Class 0 outflow in SiO(2--1, 5--4) and continuum using the PdBI in its extended configurations. The unprecedented angular resolution (down to 0.34") allows accu…
Hot corinos in NGC1333-IRAS4B and IRAS2A
Sandrine Bottinelli, Cecilia Ceccarelli, Jonathan P. Williams +1
(Abridged) We aim to enlarge the number of known hot corinos and carry out a first comparative study with hot cores. The ultimate goal is to understand whether complex organic mole…
Anatomy of HH 111 from CO observations : a bow shock driven molecular outflow
B. Lefloch, J. Cernicharo, B. Reipurth +2
We present millimeter line observations of the HH 111 outflow and its driving source. The molecular gas emission observed with IRAM 30m and the CSO reveals a small condensation of…
Testing grain surface chemistry : a survey of deuterated formaldehyde and methanol in low-mass Class 0 protostars
B. Parise, C. Ceccarelli, A. G. G. M. Tielens +4
Context : Despite the low cosmic abundance of deuterium (D/H ~ 1e-5), large degrees of deuterium fractionation in molecules are observed in star forming regions with enhancements t…
Spectacular Spitzer images of the Trifid Nebula: Protostars in a young, massive-star-forming region
J. Rho, W. T. Reach, B. Lefloch +1
Spitzer IRAC and MIPS images of the Trifid Nebula (M20) reveal its spectacular appearance in infrared light, highlighting the nebula's special evolutionary stage. The images featur…