Direct measurement results of the time lag of LOS-velocity oscillations between two heights in solar faculae and sunspots

We present an investigation of line-of-sight (LOS) velocity oscillations in solar faculae and sunspots. To study the phase relations between chromosphere and photosphere oscillations of the LOS velocity, we measured the time lag of the chromospheric signal relative to the photospheric one for severa...

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Veröffentlicht in:	arXiv.org 2013-02
Hauptverfasser:	Kobanov, Nikolai, Kolobov, Dmitri, Kustov, Arseniy, Chupin, Sergey, Chelpanov, Andrey
Format:	Artikel
Sprache:	eng
Schlagworte:	Chromosphere Faculae Line of sight Line spectra Oscillations Photosphere Physics - Solar and Stellar Astrophysics Response time Sound propagation Sunspots Time lag Time measurement Velocity Wave propagation
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