Observation of the J = 2 TO J = 1 Transition of Interstellar CO at 1.3 Millimeters
Abstract
We report the observation of 1.3-mm line radiation from interstellar sources due to the J = 2-1 transitions of 12C56O and 13C160. The Orion Nebula CO system is found to be thermalized and to show a peak excitation temperature of approximately 76 K. Subject headings: molecules, interstellar - radio lines
- Publication:
-
The Astrophysical Journal
- Pub Date:
- November 1973
- DOI:
- 10.1086/181348
- Bibcode:
- 1973ApJ...186L..19P