Ammonia Emission in Star Forming Region S235 A/B

Derek J. Somogy

Ammonia rotation-inversion transitions emit radiation detectable by radio telescopes. By studying the ammonia emission intensities in a known star-forming region, the excitation, rotational, and kinetic temperatures of the cloud may be found. The presence of ammonia in a region, and the corresponding higher temperatures, may be indicative of recent or ongoing star formation. Indeed, ammonia emission was found in S235 A/B, a known star-forming region.