Solar Wind Characteristics during the Current Solar Minimum (2007-2009): STEREO PLASTIC Observations

被引:0
|
作者
Galvin, Antoinette B. [1 ]
Popecki, Mark [1 ]
Simunac, Kristin [1 ]
Kistler, Lynn [1 ]
Ellis, Lorna [1 ]
Farrugia, Charles [1 ]
机构
[1] Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA
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P1 [天文学];
学科分类号
0704 ;
摘要
We present solar wind trends observed by STEREO-A PLASTIC during Carrington Rotations 2053-2090 (February 2007 to December 2009) in relation to the current solar cycle conditions. The solar wind speed, mass number, and iron average charge state all showed a decline in the latter half of the survey period, during the time of minimal sunspot area, a retreat of the polar coronal holes (but with occasional isolated coronal holes) and a flattening of the neutral line.
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页码:275 / 278
页数:4
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