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首页> 外文期刊>Solar physics >A comparison of the red and green coronal line intensities at the 29 March 2006 and the 1 August 2008 total solar eclipses: Considerations of the temperature of the solar corona
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A comparison of the red and green coronal line intensities at the 29 March 2006 and the 1 August 2008 total solar eclipses: Considerations of the temperature of the solar corona

机译:2006年3月29日和2008年8月1日日全食的红色和绿色日冕线强度的比较:太阳日冕温度的考虑

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摘要

During the total solar eclipse at Akademgorodok, Siberia, Russia, on 1 August 2008, we imaged the flash spectrum with a slitless spectrograph. We have spectroscopically determined the duration of totality, the epoch of the second and third contacts and the duration of the flash spectrum. Here we compare the 2008 flash spectra with those that we similarly obtained from the total solar eclipse of 29 March 2006, at Kastellorizo, Greece. Any changes of the intensity of the coronal emission lines, in particularly those of Fe x and Fe xiv, could give us valuable information about the temperature of the corona. The results show that the ionization state of the corona, as manifested especially by the Fe xiv emission line, was much weaker during the 2008 eclipse, indicating that following the long, inactive period during the solar minimum, there was a drop in the overall temperature of the solar corona.
机译:在2008年8月1日俄罗斯西伯利亚Akademgorodok发生的日全食期间,我们用无缝光谱仪拍摄了闪光光谱。我们已经从光谱上确定了整个持续时间,第二和第三接触的时期以及闪光光谱的持续时间。在这里,我们将2008年的闪光光谱与我们类似地从2006年3月29日在希腊的卡斯特罗里佐的日全食获得的光谱进行了比较。日冕发射线强度的任何变化,特别是Fe x和Fe xiv的强度变化,都可以为我们提供有关日冕温度的有价值的信息。结果表明,特别是由Fe xiv发射线所显示的电晕的电离状态在2008年日食期间弱得多,这表明在太阳最低峰期间长时间处于非活动状态之后,总体温度下降了。日冕。

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