Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994soph..150..375s&link_type=abstract
Solar Physics, vol. 150, no. 1-2, p. 375-384
Astronomy and Astrophysics
Astronomy
2
Atmospheric Effects, Calibrating, Horn Antennas, Microwave Emission, Microwave Radiometers, Microwave Spectra, Parabolic Antennas, Radio Astronomy, Radio Telescopes, Solar Activity, Spectral Resolution, Spectral Sensitivity, Spectrum Analysis, Temporal Resolution, Absorbers, Liquid Nitrogen, Microwave Interferometers, Microwave Oscillators, Polarization, Radio Receivers, Solar Maximum Mission, Stabilization
Scientific paper
High-sensitivity, high-spectral-resolution solar observations in the millimeter wavelength are scanty. A sensitive radiometer with 1 GHz resolution, operating between 18 and 23 GHz in conjunction with a 13.7 m diameter antenna has been in regular operation since the end of 1987. At present, each frequency is sampled for 100 ms, soon to be improved to 50 ms. Details of this instrumentation, including the processes of calibration, data acquisition, and reduction are described here. Also, preliminary observations of an active region and of the burst components are briefly described.
Cecatto José R.
Sawant Hanumant S.
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