Published March 1984
| Version v1
Journal article
Molecular astronomy using heterodyne detection at 691 GHz
Description
Observations of the CO J 6 - 5 transition at 691 GHz in new interstellar and planetary sources have been made. The heterodyne receiver uses an optically pumped laser local oscillator and a quasi-optical Schottky diode mixer, with measured noise temperatures consistently under 4000 K (double sideband). Continued improvements in system performance and antenna coupling have made possible the mapping of 691 GHz emission from W3, and the detection of CO J 5 - 6 absorption in the atmosphere of Venus. A detailed description of the instrumentation and recent observational data are provided. 14 references
Additional details
Publishing Information
- Journal Title
- Int. J. Infrared Millim. Waves
- Journal Volume
- 5
- Series
- Int. J. Infrared Millim. Waves.
- Journal Page Range
- 329-340
- ISSN
- 0195-9271
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 16069623
- Subject category
- S79: ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; S79: ASTROPHYSICS, COSMOLOGY AND ASTRONOMY;
- Descriptors DEI
- CARBON MONOXIDE; COSMIC GASES; HETERODYNE RECEIVERS; H2 REGIONS; INFRARED RADIATION; MOLECULES; PLANETARY ATMOSPHERES; VENUS PLANET
- Descriptors DEC
- ATMOSPHERES; CARBON COMPOUNDS; CARBON OXIDES; CHALCOGENIDES; COSMIC RADIO SOURCES; ELECTROMAGNETIC RADIATION; ELECTRONIC EQUIPMENT; EQUIPMENT; FLUIDS; GASES; MICROWAVE EQUIPMENT; OXIDES; OXYGEN COMPOUNDS; PLANETS; RADIATIONS; RADIO EQUIPMENT