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HCO mapping of the Horsehead : Tracing the illuminated dense molecular cloud surfaces
Maryvonne Gerin, Javier R. Goicoechea, Jérôme Pety +1
Far-UV photons strongly affect the physical and chemical state of molecular gas in the vicinity of young massive stars. We have obtained maps of the HCO and H13CO+ ground state lin…
On the chemistry and distribution of HOC+ in M82: More evidence for extensive PDRs
A. Fuente, S. Garcia-Burillo, A. Usero +8
The molecular gas composition in the inner 1 kpc disk of the starburst galaxy M82 resembles that of Galactic Photon Dominated Regions (PDRs). In particular, large abundances of the…
Star Formation Near Photodissociation Regions: Detection of a Peculiar Protostar Near Ced 201
Javier R. Goicoechea, Olivier Berne, Maryvonne Gerin +2
We present the detection and characterization of a peculiar low-mass protostar (IRAS 22129+7000) located ~0.4 pc from Ced 201 Photodissociation Region (PDR) and ~0.2 pc from the HH…
Search for anions in molecular sources: C4H- detection in L1527
M. Agundez, J. Cernicharo, M. Guelin +3
We present the results of a search for the negative ion C4H- in various dark clouds, low mass star-forming regions and photon-dominated regions (PDRs). We have also searched for C6…