Dynamic Spectra of Radio Sources from 4.5-GHZ to 5.0-GHZ

Details Dynamic Spectra of Radio Sources from 4.5-GHZ to 5.0-GHZ Dynamic Spectra of Radio Sources from 4.5-GHZ to 5.0-GHZ

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26a...275..670l&link_type=abstract

Astronomy and Astrophysics, Vol.275, NO.2/AUG(II), P. 670, 1993

Astronomy and Astrophysics

Astrophysics

4

Instrumentation: Spectrographs, Sun: Radio Radiation, Ad Leo, Stars, Flare, Interplanetary Medium, Radio Continuum: Stars

Scientific paper

We report on the first observations of astronomical sources made with the mini-Gregorian feed of the 305 m Arecibo telescope together with an acousto-optic spectrometer (AOS). Both the mini-Gregorian and the AOS have a bandwidth of 500 MHz, permitting wide bandwidth dynamic spectra of both celestial and solar sources to be obtained. In the examples reported herein, we used the 5 GHz receiver, operating between 4.5 and 5.0 GHz with a spectral resolution of 1 MHz and temporal resolution of 20 ms.
We represent observations of the flare star AD Leo, of the Sun, and of interplanetary scintillations of the quasar 0735 + 178 which, at the time it was observed, was about 8° from the Sun.

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