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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
ISBN: 978-3-642-02858-8
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Appears in Collections:IIAP Publications

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