The RRI 10.4m millimeter-wave telescope

Details The RRI 10.4m millimeter-wave telescope The RRI 10.4m millimeter-wave telescope

Sep 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993basi...21..339s&link_type=abstract

Astronomical Society of India, Bulletin (ISSN 0304-9523), vol. 21, no. 3-4, p. 339-345

Astronomy and Astrophysics

Astronomy

2

Interstellar Masers, Molecular Clouds, Radio Astronomy, Radio Equipment, Radio Sources (Astronomy), Radio Telescopes, Circuit Diagrams, Millimeter Waves, Molecular Spectroscopy, Parabolic Antennas

Scientific paper

The 10.4m millimeter-wave telescope of the Raman Research Institute (RRI) has been in operation since 1988. It can observe over the 3-mm atmospheric transmission window (80-115 GHz) where rotational transitions of many molecules including CO lie. Dual polarization cryogenic receivers developed at RRI are in use with the telescope. Filter bands and acousto-optic spectrometers are employed as back-ends for carrying out molecular spectroscopy. Study of SiO masers in late type stars, CO line observations of molecular clouds near massive stars, in the Gould's belt and near supernova remnants and millimeter wave recombination lines are some of the research programs undertaken. Future plans include the development of a four beam receiver to speed up mapping observations.

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