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Time variability of the Hei10830 Å line profile

✍ Scribed by Jagdev Singh; S. K. Jain; P. Venkatakrishnan


Publisher
Springer
Year
1994
Tongue
English
Weight
511 KB
Volume
150
Category
Article
ISSN
0038-0938

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Shifts of the CaiiK line in Hei10830 dar
✍ Rush D. Holt; D. J. Mullan 📂 Article 📅 1986 🏛 Springer 🌐 English ⚖ 551 KB

We investigate the velocity field of the solar chromosphere at the location of 65 He I 10830 dark points (DP's). We have obtained spectra of such points in the vicinity of the CaII K line. As a measure of differential chromospheric velocity, we use the shift of the K line center relative to a nearby