RETURN OF THE HARD SOLAR-FLARES 154 DAY PERIODICITY IN SOLAR CYCLE-22 AND EVIDENCE FOR A PHASE RELATIONSHIP OF THIS PERIODICITY BETWEEN CYCLE-21 AND CYCLE-22
被引:10
作者:
BRUECKNER, GE
论文数: 0引用数: 0
h-index: 0
机构:Code 4160, Naval Research Laboratory, Washington
BRUECKNER, GE
COOK, JW
论文数: 0引用数: 0
h-index: 0
机构:Code 4160, Naval Research Laboratory, Washington
COOK, JW
机构:
[1] Code 4160, Naval Research Laboratory, Washington
[2] Code 4163, Naval Research Laboratory, Washington
Solar activity rose to high levels in 1989. In 1989 March and August, groups of very strong X-ray flares were observed. The phase difference between these two groups is 155 days. There is evidence for a phase relationship of the 155 day period between solar cycles 21 and 22.