Abstract
We describe the new Nançay Radioheliograph (version II) which is a multicorrelator system. The main characteristics of this instrument are high space and time resolutions and flexible on-line data processing. At present it produces one-dimensional images at 169 MHz. This instrument is mainly intended for solar observations.
An accurate calibration of the instrument has been carried out leading to a precise fringe stopping and to a proper knowledge of the grating response. Preliminary solar results are presented: existence of apparent motions in noise storms with a velocity of the order of 5000 km s−1; observations of radiobursts as narrow as 0.7′ (Kerdraon, 1977); observations of spikeburst activity.
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References
Bonmartin, J.: 1977, Thèse d'Ingénieur Docteur.
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Presently in Sydney, Australia.
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Bonmartin, J., Jones, I., Kerdraon, A. et al. The mark II Nançay radioheliograph. Sol Phys 55, 251–261 (1977). https://doi.org/10.1007/BF00150888
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DOI: https://doi.org/10.1007/BF00150888