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Spectral characteristics of HeI 10830 A line in the quiet chromosphere

✍ Scribed by You Jian-qi; Wang Chuan-jin; Lu Jing


Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
927 KB
Volume
14
Category
Article
ISSN
0275-1062

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The inclusion of a frequencydependent collision operator in the line shape expression is investigated quantitatively for the 4471 A overlapping He1 line. We compare at several electron densities frequency-independent (markovian) profiles with frequencydependent (nonmarkovian) profiles taking into ac