Diagnosing shock temperature with NH3 and H2O profiles

A. I. Gómez-Ruiz,C. Codella,Serena Viti,I. Jiménez-Serra,G. Navarra,R. Bachiller,P. Caselli,A. Fuente,A. Gusdorf,B. Lefloch,A. Lorenzani,B. Nisini

Monthly Notices of the Royal Astronomical Society（2016）

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摘要

In a previous study of the L1157 B1 shocked cavity, a comparison between NH3(10–00) and H2O(110–101) transitions showed a striking difference in the profiles, with H2O emitting at definitely higher velocities. This behaviour was explained as a result of the high-temperature gas-phase chemistry occurring in the post-shock gas in the B1 cavity of this outflow. If the differences in behaviour between...

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molecular data,stars: formation,ISM: molecules,radio lines: ISM,submillimetre: ISM

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