Spectroscopic Studies of the Solar Corona I. Spatial Variations in Line Parameters of Green and Red Coronal Lines

Singh Jagdev; Ichimoto Kiyoshi; Imai Hideki; Sakurai Takashi; Takeda Aki

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Spectroscopic Studies of the Solar Corona I. Spatial Variations in Line Parameters of Green and Red Coronal Lines

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

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Weobtainedsimultaneouslyprofilesofthecoronalgreenline(FeXIV5303A)andredline([FeX]6374A)onanumberofdaysatseveralregionscoveringanareaofabout200a€3?—500a€3inthesolarcorona.Theintensity,velocity,andwidthforbothoftheselineswerecomputedbymakingaGaussianfittotheobservedlineprofile.Wefindthatincoronalstructuresthespatialvariationsintheredandgreenlineintensitiesarecorrelated.Theratioofgreen-tored-lineintensitiesvariesbetween0.6a€“9.2fordifferentcoronalstructures.Thevalueoftheintensityratioinanindividualcoronalstructurealsovarieswithheightabovethesolarlimbalongthestructure.Therangeofvaluesoftheintensityratioobservedimpliesthatmostofthestructuresunderinvestigationhadatemperatureintherangeof1.2a€“1.6?—106K.Also,wefindthatincoronalstructuresthewidthoftheredlineincreaseswithheightabovethelimb,whereasthegreen-linewidthinthesameregiondecreaseswithheight.Thisbehaviorofthelinewidthscanbeexplainedifweassumethemixingofplasmainthemiddleandhigherportionsofthecoronalstructuresbymicroturbulenceortravelingwaves,whichhavebeendetectedrecently.NoHaloopsandactivitywereseenintheseregionsduringtheobservationperiods.

机译：？Weobtainedsimultaneouslyprofilesofthecoronalgreenline（FeXIV5303A）andredline（[FEX] 6374A）onanumberofdaysatseveralregionscoveringanareaofabout200a€3 -500A€3inthesolarcorona.Theintensity，速度，andwidthforbothoftheselineswerecomputedbymakingaGaussianfittotheobservedlineprofile.Wefindthatincoronalstructuresthespatialvariationsintheredandgreenlineintensitiesarecorrelated.Theratioofgreen-tored-lineintensitiesvariesbetween0.6a€“9.2fordifferentcoronalstructures.Thevalueoftheintensityratioinanindividualcoronalstructurealsovarieswithheightabovethesolarlimbalongthestructure.Therangeofvaluesoftheintensityratioobservedimpliesthatmostofthestructuresunderinvestigationhadatemperatureintherangeof1.2a€“1.6？ - 106K。此外，我们发现，如果假设通过微湍流将冠状结构的内中部和较高部分混合在一起，则可以解释该线宽的行为，可以解释线状结构的宽度在下肢上方增加，而同一区域中的绿线宽度在高度上减小。 es，最近已被发现。在观察期间，这些区域没有任何Haloop和活动。

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《PASJ: Publications of the Astronomical Society of Japan》 |1999年第2期|共页
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Singh Jagdev; Ichimoto Kiyoshi; Imai Hideki; Sakurai Takashi; 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 II. Properties of Green and Red Emission Lines in Open and Closed Coronal Structures [J] . Singh Jagdev, Sakurai Takashi, Ichimoto Kiyoshi, PASJ: Publications of the Astronomical Society of Japan . 2002,第5期

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
3. Spectroscopic Studies of Solar Corona VIII. Temperature and Non-Thermal Variations in Steady Coronal Structures [J] . Jagdev Singh, Takashi Sakurai, Kiyoshi Ichimoto, Solar Physics . 2006,第2期

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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

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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

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6. Using the ionospheric response to the solar eclipse on 20 March 2015 to detect spatial structure in the solar corona [O] . C. J. Scott, J. Bradford, S. A. Bell, -1

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7. Spectroscopic Studies of the Solar Corona I. Spatial Variations in Line Parameters of Green and Red Coronal Lines [O] . J. Singh, K. Ichimoto, H. Imai, 1999

机译：太阳能电晕的光谱研究I.绿色和红冠线线参数的空间变化
8. Solar Cycle Variations of Coronal Neutral Lines and Polar Regions Activity [R] . Makarov, V. I., Makarova, V. V., Koutchmy, S., 1988

机译：日冕中性线和极区活动的太阳周期变化

Spectroscopic Studies of the Solar Corona I. Spatial Variations in Line Parameters of Green and Red Coronal Lines

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