Structure of an active region NOAA 8662 by radio observations of the particular solar eclipse on August 11, 1999,

Details Structure of an active region NOAA 8662 by radio observations of the particular solar eclipse on August 11, 1999, Structure of an active region NOAA 8662 by radio observations of the particular solar eclipse on August 11, 1999,

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000kfnt...16..418b&link_type=abstract

Kinematika i Fizika Nebesnykh Tel, vol. 16, no. 5, p. 418-429

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

Parameters of the radio source, connected with the sunspot group NOAA 8662 (SGD) were determined using the radio telescope RT-22 of Crimean Astrophysical Observatory and the polarimetric complex for centimeter wavelengths. Four fragments were given off the radio source with the dimensions of 8-24 second of arc, the brightness temperatures 105-106 K, the local magnetic fields in the range 0.03-0.05 T. The flux spectral indexes have the different signs for the fragments over the small sunspots and over the pores. This fact may be an evidence of the different mechanisms of radio emission of these coronal structures.

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