Flares in Hale 17760 - Magnetic transients in the 1981 July 27 flare

Details Flares in Hale 17760 - Magnetic transients in the 1981 July 27 flare Flares in Hale 17760 - Magnetic transients in the 1981 July 27 flare

May 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...280..884p&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 280, May 15, 1984, p. 884-886.

Astronomy and Astrophysics

Astrophysics

30

Magnetic Signatures, Solar Flares, Solar Magnetic Field, Absorption Spectra, Iron, Transient Response

Scientific paper

Several magnetic transients were observed in the flare of 1981 July 27 using the videomagnetograph at Big Bear Solar Observatory. Images in the Fe I λ5324 line used by the magnetograph showed emission in the area of the transients. Calculations show that the emission observed will explain the magnetic transient features, provided the magnetic field has two components: a strong and a weak or zero field. The elements of each field must be less than 1arcsec in size, and the strong field must occupy less than 20% of the total area.

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