Dynamical evolution of x-ray bright points with hinode/XRT

Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/5117

Title:	Dynamical evolution of x-ray bright points with hinode/XRT
Authors:	Kariyappa, R Varghese, B. A DeLuca, E. E van Ballegooijen, A. A
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. 440 – 442
Series/Report no.:	Astrophysics and Space Science Proceedings;
Abstract:	We analyzed a 7-h long time sequence of soft X-ray images obtained on 14 April 2007 from a quiet region using the X-Ray Telescope (XRT) onboard Hinode. The aim was to observe intensity oscillations in coronal XBPs of different brightness and to study differences, if any, in the periodicity of the intensity variations and the heating mechanism during their dynamical evolution. We have compared the XRT images with GONG magnetograms using Coronal Modeling Software (CMS), and found that some of the XBPs are located at magnetic bipoles. The coronal XBPs are highly dynamic and oscillatory in nature, showing a wide variety of time scales in their intensity variations.
Description:	Open Access
URI:	http://hdl.handle.net/2248/5117
ISBN:	978-3-642-02858-8
Appears in Collections:	IIAP Publications

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