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Photospheric Temperatures from Ca II H
Stockholm University, Faculty of Science, Department of Astronomy. (Institute for Solar Physics)
Stockholm University, Faculty of Science, Department of Astronomy. (Institute for Solar Physics)
Stockholm University, Faculty of Science, Department of Astronomy. (Institute for Solar Physics)
2010 (English)In: Magnetic Coupling between the Interior and Atmosphere of the Sun / [ed] S.S. Hasan, R.J. Rutten, Springer , 2010Conference paper, Published paper (Other academic)
Abstract [en]

The temperature stratification in the upper photosphere can be extracted from Ca II H&K spectrograms following Shine and Linsky (1974) by assuming LTE, the Eddington-Barbier approximation, hydrostatic equilibrium, and that Ca II is mostly in the ground state. Rouppe van der Voort (2002) confirmed that these assumptions were solid for a wide range in the Ca IIK wings and further developed the method including forward computation using MULTI (Carlsson 1986).

Place, publisher, year, edition, pages
Springer , 2010.
Series
Astrophysics and Space Science Proceedings, ISSN 1570-6591
Identifiers
URN: urn:nbn:se:su:diva-52928DOI: 10.1007/978-3-642-02859-5_74OAI: oai:DiVA.org:su-52928DiVA: diva2:389357
Available from: 2011-01-19 Created: 2011-01-19 Last updated: 2011-02-15Bibliographically approved

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