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On equivalent widths in a penumbral spectrum (a test of the Moe-Maltby model)

✍ Scribed by H. Schleicher; E. H. Schröter

Publisher
Springer
Year
1971
Tongue
English
Weight
597 KB
Volume
17
Category
Article
ISSN
0038-0938

No coin nor oath required. For personal study only.

✦ Synopsis

From new observational material we made a curve of growth analysis of the penumbra of a large, stable sunspot. The analysis was done relative to the undisturbed photosphere and gave the following results (o denotes photosphere, * denotes penumbra):

(0' -00)exe = 0.051 • 0.007 ~*/~| = 1.3 :t= 0.1

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