Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977soph...51...65f&link_type=abstract
Solar Physics, vol. 51, Jan.-Feb. 1977, p. 65-81.
Astronomy and Astrophysics
Astronomy
11
Magnetic Field Configurations, Microwave Emission, Photosphere, Solar Activity, Solar Magnetic Field, Solar Radio Emission, Magnetic Signatures, Radio Astronomy, Stellar Structure
Scientific paper
The structure of six active regions observed at 2.8 cm with the Stanford interferometer is compared with the configuration of the underlying photospheric magnetic fields, as given by the Kitt Peak magnetograph. The similar resolution and accuracy on the measured positions of both instruments allowed us to establish a more detailed spatial correspondence between radio and magnetic features than previously reached. The radio features which correspond to the cores of the active sources are always found to overlay regions of enhanced magnetic fields. Different spatial associations have been found depending on the brightness temperature of the sources. The possibility that this effect might be due to the development of the active region is also considered.
Felli Marcello
Poletto Giannina
Tofani Gianni
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