Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006a%26a...447.1121s&link_type=abstract
Astronomy and Astrophysics, Volume 447, Issue 3, March I 2006, pp.1121-1123
Astronomy and Astrophysics
Astrophysics
1
Sun: Radio Radiation, Sun: Activity, Sunspots, Sun: Chromosphere
Scientific paper
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.
Cecatto José R.
Fernandes Francisco Carlos Rocha
Sawant Hanumant S.
Subramanian K. R.
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