Bright points in G-Band and Ca IIH images from hinode

Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/5119

Title:	Bright points in G-Band and Ca IIH images from hinode
Authors:	Pradeep Chitta, L Kariyappa, R
Issue Date:	2010
Publisher:	Springer
Citation:	Hasan, S. S and Rutten, R. T., eds., Magnetic coupling between the interior and atmosphere of the Sun, Proceedings of the conference "Centenary commemoration of the discovery of the Evershed effect" Dec, 2 - 5, 2008, Indian Institute of Astrophysics, Bangalore, India, pp. 424 – 425
Series/Report no.:	Astrophysics and Space Science Proceedings;
Abstract:	We analyze a time sequence simultaneous G-band and Ca IIH images taken with Hinode/SOT on 14 April 2007 during 17:00-18:00UT. In each sequence, we selected 20 bright points and derived their light curves. Power-spectrum analysis was performed to determine periodicities in these light curves, which are 2-5min for the Gband bright points and 3-4 min for the Ca IIH bright points, respectively. Comparison of the light curves indicates the presence of a phase difference, which suggests the occurrence of propagating waves that may be responsible for heating the chromosphere in Ca IIH bright points.
Description:	Open Access
URI:	http://hdl.handle.net/2248/5119
ISBN:	978-3-642-02858-8
Appears in Collections:	IIAP Publications

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