Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995coska..25...19a&link_type=abstract
Contributions of the Astronomical Observatory Skalnate Pleso, Volume 25, p. 19-32
Astronomy and Astrophysics
Astronomy
1
Spatial Distribution, Statistical Tests, Solar Cycles, Solar Flares, Standard Deviation, Solar Magnetic Field, Polarity, Reversing, Magnetic Disturbances, Correlation Coefficients, Stellar Mass Ejection
Scientific paper
We present a number of statistical tests that speak in favor of an increased (both LDE-type and impulsive) flare activity in active regions (AB) which are located inside or along the boundaries of the solar sectors with 'reversed' magnetic polarity. Altogether, 338 daily values of 32 BEARALERT regions have been analyzed in terms of eight variables during the ascending phase of the 22nd solar cycle. The flare occurrence is found smallest inside the 'old' sectors and peaks inside the 'reversed' sectors and at the sectors' boundaries Separate analyses of the data showing a lack of strong flare activity for a given day (the data subset dn, comprising 155 daily vectors), and the data pertinent to strong flare activity in a given dv (the data subset df, representing 183 daily vectors) lead to the same results concerning the sectorial distribution of active regions.
Antalová Anna
Jakimiec Maria
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