Observation and study of the brightness and the longitudinal field in the penumbra of a sunspot (I).

Details Observation and study of the brightness and the longitudinal field in the penumbra of a sunspot (I). Observation and study of the brightness and the longitudinal field in the penumbra of a sunspot (I).

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pbeio..18...54l&link_type=abstract

Publications of the Beijing Astronomical Observatory, No. 18, p. 54 - 61

Astronomy and Astrophysics

Astronomy

Scientific paper

Using the Solar Magnetic Field Telescope in Huairou Solar Observing Station of Beijing Astronomical Observatory the authors have observed a series of longitudinal magnetic fields of a sunspot with a very short integration time and obtained monochrome images simultaneously. All of these magnetograms are aligned according to correlation analysis and add together. After comparing the resulting magnetograms to the monochrome images of the sunspot, one finds that magnetic filaments correspond to bright features of monochrome images in the penumbra of the sunspot.

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