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Title: Occultation of a solar active region at 1.5 GHz during the eclipse of November 3, 1994
Authors: Subramanian, K. R
Sawant, H. S
Fernandes, F. C. R
Cecatto, J. R
Keywords: Sun: radio radiation;Sun: activity;Sunspots;Sun: chromosphere
Issue Date: Mar-2006
Publisher: EDP Sciences
Citation: Astronomy and Astrophysics, Vol. 447, No. 3, pp.1121 - 1123
Abstract: We observed the solar eclipse of November 3, 1994 with a 4-m diameter antenna and a radio spectrograph operating at 1.5 ± 0.05 GHz with a time resolution of 100 ms. Here we present the observations of the occultation of the solar active region AR 7798 by the lunar limb. From the derivative of the eclipse curve, we found a source with an angular size of ≈ 12 s of arc associated with this active region.
Appears in Collections:IIAP Publications

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