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Center-to-Limb Variations of the Ca II H and K Lines in Sunspot Umbrae

โœ Scribed by S. A. Grigoryeva; I. P. Turova


Book ID
110219599
Publisher
Springer
Year
1998
Tongue
English
Weight
152 KB
Volume
179
Category
Article
ISSN
0038-0938

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๐Ÿ“œ SIMILAR VOLUMES


Shapes and centre-to-limb variation of t
โœ R. B. Teplitskaja; N. M. Firstova ๐Ÿ“‚ Article ๐Ÿ“… 1976 ๐Ÿ› Springer ๐ŸŒ English โš– 614 KB

The shapes of the Ca ii H and K lines in sunspot umbral spectra vary from single asymmetric peaks near the centre of the disk to almost symmetric double peaks at the limb. In addition, there are other differences in the behaviour of both H and K lines in sunspots compared to the quiet Sun. The whole