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Physical parameter fields of the post-flare loop system on February 18, 1984
Li KJ(李可军); Ding YJ(丁有济); Gu XM(顾啸马); Li QS(李秋莎); Zhong SH(钟树华); Li QY(李琼英); LI, KJ
发表期刊ASTRONOMY & ASTROPHYSICS
1993-03
卷号269期号:1-2页码:496-502
产权排序第1完成单位
收录类别SCI
关键词Sun(The) Prominence Sun(The) Flares
摘要The profiles of H(alpha) spectra lines of the loop prominence system on February 18,1984 at the eastern solar limb are calculated in this paper. The following four two-dimensional fields of physical parameters are obtained: (1) the velocity along the line-of-sight (V//); (2) the column number density of the hydrogen atoms at the second level (N0,2) ; (3) the excitation temperature (T(exc)); and (4) the micro-turbulence velocity (V(t)). The computed results show that the velocities V// at both the top and the low part of a single loop are smaller than those at the middle. The column number densities at the southern limb are the largest in the loop system. The excitation temperature at the southern limb is higher than elsewhere. The southern position is perhaps the site of the original flare core. In this loop system, V// goes up to 60 kms-1, N0,2 varies from 0.15 to 1.0 x 10(13)cm-1, T(exc): 6000-20000 K, electron density n(e): 10(11)-10(12) cm-3, electron pressure P(e):0.10-10 dyncm-2.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6361
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WOS记录号WOS:A1993KR44200057
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]SUN(THE), PROMINENCE ; SUN(THE), FLARES
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6010
专题太阳物理研究组
通讯作者LI, KJ
作者单位Yunnan Observatory, P.O.Box 110, Kunming, Yunnan 650011, People's Republic of China
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Li KJ,Ding YJ,Gu XM,et al. Physical parameter fields of the post-flare loop system on February 18, 1984[J]. ASTRONOMY & ASTROPHYSICS,1993,269(1-2):496-502.
APA Li KJ.,Ding YJ.,Gu XM.,Li QS.,Zhong SH.,...&LI, KJ.(1993).Physical parameter fields of the post-flare loop system on February 18, 1984.ASTRONOMY & ASTROPHYSICS,269(1-2),496-502.
MLA Li KJ,et al."Physical parameter fields of the post-flare loop system on February 18, 1984".ASTRONOMY & ASTROPHYSICS 269.1-2(1993):496-502.
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