Low frequency solar radio astronomy at the Indian Institute of Astrophysics (IIA)

R. Ramesh*
Indian Institute of Astrophysics, Koramangala, Bangalore 560 034, India

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IIA is presently involved in the expansion of its existing radioheliograph operating in the frequency 120-40 MHz at the Gauribidanur radio observatory located about 80 km north of Bangalore. Once completed, the expanded array will have an angular resolution of ≈ 1´ at a typical frequency of 100 MHz. This paper describes the development of solar radio astronomy activities at IIA since 1952 when the first observations were carried out.

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Keywords : Sun: corona – Sun: radio radiation – telescopes