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Very Long Baseline Interferometry of Solar Flares

Published online by Cambridge University Press:  12 April 2016

J. Kuijpers ,
K.F. Tapping  and
D. Graham
J. Kuijpers
Affiliation:
Sterrenkundig Instituut, Zonnenburg 2, 3512 NL UTRECHT, The Netherlands
K.F. Tapping
Affiliation:
Herzberg Institute of Astrophysics, NRC, K1A 0R6 Ottawa, Canada
D. Graham
Affiliation:
Herzberg Institute of Astrophysics, NRC, K1A 0R6 Ottawa, Canada

Extract

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The aim of the VLBI experiment was a search for the occurrence of subarc- second microwave emission centres as tracers of the initial energy release in solar flares. The observations extended over the period April 28 to May 3, 1981 and were performed with the 25 m telescopes at Onsala (Sweden) and Dwingeloo (Netherlands) at a wavelength of 18 cm (1663 MHz). The baseline was 619 km long giving a minimum angular width of the interference fringes of 0.06’. This corresponds to a spatial scale of 40 km at the solar disc centre.

Type
Session III: Observed Activity in Related Objects
Information
International Astronomical Union Colloquium , Volume 71: Activity in Red-Dwarf Stars , 1983 , pp. 339 - 341
Copyright
Copyright © Reidel 1983