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A good probe of molecular clouds and star-forming regions: CH3CN
Authors:Qin Zeng  Chun-chuan Pei
Affiliation:

Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008, China

Abstract:Through our observations, analysis and calculations of the KL Region of Orion, we point out and illustrate the possibility and advantages of using the rotational lines of CH3CN as a probe of molecular cloud cores and star-forming regions. We also discuss the instrumental requirements.
Keywords:molecular clouds   star-froming regions   interstellar molecules   statistical equilibrium in radiative transfer
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