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2004MNRAS.347..157C - Mon. Not. R. Astron. Soc., 347, 157-162 (2004/January-1)
Observational tests for grain chemistry: posterior isotopic labelling.
CHARNLEY S.B., EHRENFREUND P., MILLAR T.J., BOOGERT A.C.A., MARKWICK A.J., BUTNER H.M., RUITERKAMP R. and RODGERS S.D.
Abstract (from CDS):
If atom addition reactions to solid CO and HCO are the origin of the organic molecules detected in hot molecular cores, these molecules should still possess the same [12 C/13 C] ratio. The theory that methanol ice is produced by reduction of CO ice can be tested by radio-astronomical observations of several protostellar sources with known [12 CO2/13 CO2]iceratios to see if the observed trend in [12 CO2/13 CO2]iceis reflected in [12 CH3OH/13 CH3OH]. We also critically discuss observations designed to elucidate the origin of solid OCS, as well as of many other larger organic molecules.
Abstract Copyright: 2004 RAS
Journal keyword(s): molecular processes - ISM: abundances - ISM: clouds - ISM: molecules
Simbad objects: 1
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