CAOSP abstracts, Volume: 23, year: 1993
- Author(s): DERMENDJIEV, V.N.; STAVREV, K.Y.; RUSIN, V.; RYBANSKY, M.
- Journal: Contributions of the Astronomical Observatory Skalnate Pleso,
vol. 23, p. 118-128.
- Date: 07/1993
- Title: On the problem of the secondary polar zone of prominence activity
- Keyword(s): THE SUN, PROMINENCES
- Pages: 118 -- 128
The time-latitudinal distribution of the number and area of prominences
observed at Lomnicky stit coronal station during the period 1967-1991 has been
studied in order to check if the secondary polar zones of prominences activity
can be traced. The results show that the secondary polar zone appears in one of
the hemispheres during the ascending phases of solar cycles 20 and 22. Possible
connection of the double structure of the prominence polar zone with threefold
occurrence of the high-latitudinal magnetic field of the Sun is discussed.
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