The height dependence of temperature : velocity correlation in the solar photosphere
Publication date
2007
Authors
Koza, J.
Kucera, A.
Rybák, J.
Wöhl, H.
Editors
Kneer, Franz
Puschmann, Klaus G.
Wittmann, Axel D.
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Part of book
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Abstract
We derive correlation coe±cients between temperature and line-of-sight velocity as a function of optical depth throughout the solar photosphere for the non-magnetic photosphere and a small area of enhanced magnetic activity. The maximum anticorrelation of about ¡0:6 between temperature and line-of-sight velocity in the non-magnetic photosphere occurs at log ¿5 = ¡0:4. The magnetic eld is another decorrelating factor along with 5-min oscillations and seeing.
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Koza, J, Kucera, A, Rybák, J & Wöhl, H 2007, The height dependence of temperature : velocity correlation in the solar photosphere. in F Kneer, K G Puschmann & A D Wittmann (eds), Modern solar facilities - advanced solar science : proceedings of a workshop held at Göttingen September 27 - 29, 2006. Univ.-Verl. Göttingen, Göttingen, pp. 139-142.