Spectroscopic Studies of the Solar Corona II. Properties of Green and Red Emission Lines in Open and Closed Coronal Structures

Singh Jagdev; Sakurai Takashi; Ichimoto Kiyoshi; Suematsu Yoshinori; Takeda Aki

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Spectroscopic Studies of the Solar Corona II. Properties of Green and Red Emission Lines in Open and Closed Coronal Structures

机译：太阳日冕II的光谱研究。开闭式日冕结构中绿色和红色发射线的性质

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Weobtainedprofilesofthegreen(FeXIV5303a€‰?…)andred(FeX6374a€‰?…)emissionlinessimultaneouslyon1998July18a€“19forabout4hourswithacadenceof10minutes,coveringanareaofabout$$200'' imes500''$$inthesolarcorona.Thelinewidth(FWHM),intensity,andDopplershiftforbothlineswerecomputedusingGaussianfitstotheobservedlineprofiles.Wethenstudiedanysystematicdifferencesintheseparametersbetweenclosedandopenfieldstructures,andtheirtimevariations.ThederivedlinewidthsindicatethattheFWHMoftheredlineincreaseswithheightabovethelimbatarateof$$0.5hbox{--}2.6,mathrm{m}$$a€‰?…$$,mathrm{arcsec}^{-1}$$andthegreen-linewidthdecreaseswithheightatarateof$$1.2hbox{--}3.4,mathrm{m}$$a€‰?…$$,mathrm{arcsec}^{-1}$$.Thedifferenceinthetime-averagedvaluesofthewidthsofthegreenlineinopenandclosedcoronalstructuresatagivenheightabovethelimbissmall,whereasthewidthoftheredlineinopenstructuresissubstantiallylargerthanthatintheclosedloop-likecoronalstructures.

机译：Weobtainedprofilesofthegreen（FeXIV5303a€‰？...）andred（FeX6374a€‰？...）emissionlinessimultaneouslyon1998July18a€“19forabout4hourswithacadenceof10minutes，coveringanareaofabout $$ 200'imes500'$$ inthesolarcorona.Thelinewidth（FWHM），强度，andDopplershiftforbothlineswerecomputedusingGaussianfitstotheobservedlineprofiles.Wethenstudiedanysystematicdifferencesintheseparametersbetweenclosedandopenfieldstructures，andtheirtimevariations.ThederivedlinewidthsindicatethattheFWHMoftheredlineincreaseswithheightabovethelimbatarateof $$ 0.5hbox {-} 2.6，mathrm {m} $$ a€？…$$，mathrm {arcsec} ^ {-1} $$，绿线宽度以$ 1.2的高线速率降低hbox {-} 3.4，mathrm {m} $$ a €‰…$$，mathrm {arcsec} ^ {-1} $$。开放式和封闭式冠状结构在时间平均值上的高度差大于细长双斜线，而开放式结构中的线状线宽比封闭式环状冠状结构大得多。

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《PASJ: Publications of the Astronomical Society of Japan》 |2002年第5期|共页
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Singh Jagdev; Sakurai Takashi; Ichimoto Kiyoshi; Suematsu Yoshinori; Takeda Aki;
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1. Spectroscopic Studies of Solar Corona VI: Trend in Line-width Variation of Coronal Emission Lines with Height Independent of the Structure of Coronal Loops [J] . Jagdev Singh1, Kiyoshi Ichimoto, S. Muneer, Journal of astrophysics and astronomy . 2006,第2期

机译：太阳日冕VI的光谱研究：日冕发射线的线宽变化趋势，高度与日冕环的结构无关
2. Spectroscopic Studies of the Solar Corona I. Spatial Variations in Line Parameters of Green and Red Coronal Lines [J] . Singh Jagdev, Ichimoto Kiyoshi, Imai Hideki, PASJ: Publications of the Astronomical Society of Japan . 1999,第2期

机译：太阳日冕的光谱学研究I.绿和红日冕线的线参数空间变化
3. Spectroscopic Studies of the Solar Corona – V. Physical Properties of Coronal Structures [J] . Jagdev Singh, Takashi Sakurai, Kiyoshi Ichimoto, Solar Physics . 2003,第2期

机译：太阳日冕的光谱学研究-五。日冕结构的物理性质
4. Spectroscopic Studies of Steady Coronal Structures ?Line Width Variations with Height of Fe X朮IV Emission Lines [C] . Singh J., Sakurai T., Ichimoto K., Solar-B Science Meeting . 2004

机译：稳定冠状结构的光谱研究？线宽变化与FeXα散发线的高度
5. MACS, an instrument, and a methodology for simultaneous and global measurements of the coronal electron temperature and the solar wind velocity on the solar corona. [D] . Reginald, Nelson Leslie. 2001

机译：MACS，一种用于同时和整体测量日冕电子温度和日冕上太阳风速的仪器和方法。
6. The Influence of the Solar Coronal Radiation on Coronal Plasma Structures I: Determination of the Incident Coronal Radiation [O] . Gerrard M. Brown, Nicolas Labrosse -1

机译：太阳日冕辐射对日冕血浆结构的影响I：日冕辐射的确定
7. Spectroscopic Studies of the Solar Corona II. Properties of Green and Red Emission Lines in Open and Closed Coronal Structures [O] . Jagdev Singh, Takashi Sakurai, Kiyoshi Ichimoto, 2002

机译：太阳能电晕的光谱研究II。开放式冠状结构中绿色和红色发射线的性质

Spectroscopic Studies of the Solar Corona II. Properties of Green and Red Emission Lines in Open and Closed Coronal Structures

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