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Detection of CI in absorption towards PKS 1830-211 with the eSMA
Sandrine Bottinelli, A. Meredith Hughes, Ewine F. van Dishoeck +10
We report the first science observations and results obtained with the "extended" SMA (eSMA), which is composed of the SMA (Submillimeter Array), JCMT (James Clerk Maxwell Telescop…
The eSMA: description and first results
Sandrine Bottinelli, Ken H. Young, Richard Chamberlin +15
The eSMA ("extended SMA") combines the SMA, JCMT and CSO into a single facility, providing enhanced sensitivity and spatial resolution owing to the increased collecting area at the…
The c2d Spitzer spectroscopy survey of ices around low-mass young stellar objects, III: CH4
Karin I. Oberg, A. C. Adwin Boogert, Klaus M. Pontoppidan +4
CH4 is proposed to be the starting point of a rich organic chemistry. Solid CH4 abundances have previously been determined mostly toward high mass star forming regions. Spitzer/IRS…
The c2d Spitzer Spectroscopic Survey of Ices Around Low-Mass Young Stellar Objects: I. H2O and the 5-8 um Bands
A. Boogert, K. Pontoppidan, C. Knez +23
With the goal to study the physical and chemical evolution of ices in solar-mass systems, a spectral survey is conducted of a sample of 41 low luminosity YSOs using 3-38 um Spitzer…
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…
Near-arcsecond resolution observations of the hot corino of the solar type protostar IRAS 16293-2422
Sandrine Bottinelli, Cecilia Ceccarelli, Roberto Neri +6
Complex organic molecules have previously been discovered in solar type protostars, raising the questions of where and how they form in the envelope. Possible formation mechanisms…