Helium shells and faint emission lines from slitless flash spectra

At the time of the two last solar total eclipses of August 1st, 2008 in Siberia and July 11th, 2010 in French Polynesia, high frame rate CCD flash spectra were obtained. These eclipses occurred in quiet Sun period and after. The slitless flash spectra show two helium shells, in the weak Paschen α 46...

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Bibliographic Details
Main Authors: Cyril Bazin, Serge Koutchmy
Format: Article
Language:English
Published: Elsevier 2013-05-01
Series:Journal of Advanced Research
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2090123212001105