Near-millimeter observations with the 45-m telescope

Details Near-millimeter observations with the 45-m telescope Near-millimeter observations with the 45-m telescope

Jun 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pasj...42..459m&link_type=abstract

Astronomical Society of Japan, Publications (ISSN 0004-6264), vol. 42, no. 3, 1990, p. 459-479. Research supported by the Japan

Astronomy and Astrophysics

Astronomy

4

Molecular Clouds, Quasars, Radio Astronomy, Bolometers, Photometers, Radio Telescopes

Scientific paper

The present near-mm continuum bolometric observations reduced atmospheric emissions by means of filters which match the passbands of atmospheric windows, in conjunction with a three-position switching system which subtracts the effects of fluctuating atmospheric emission. While ohmic, feed inefficiency, and surface irregularity losses remain, the system's capability was demonstrated by observations of molecular clouds, representative of extended sources, and QSOs, representative of point sources; a near-mm continuum source in the Orion molecular cloud was resolved into two peaks. One of the two peaks is at the KL nebula.

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