Revisit of the classic Wilson effect

Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/5186

Title:	Revisit of the classic Wilson effect
Authors:	Bagare, S. P
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. 398 – 401
Series/Report no.:	Astrophysics and Space Science Proceedings;
Abstract:	We have examined theWilson effect in 580 epochs of sunspots observed at the Kodaikanal Observatory. Only unipolar spots that are well isolated from opposite polarity spots or pores (49%) exhibit the classic Wilson effect. The larger the isolation, the stronger is the effect. Unipolar spots also show a decrement of the effect that seems to be related to age. However, bipolar spots (45%) do not display theWilson effect, while spots associated with a mixed-polarity magnetic configuration (6%) show an inverse effect. We are now studying dynamic responses of spot penumbrae to their ambient magnetic configuration.
Description:	Restricted Access The original publication is available at springerlink.com
URI:	http://hdl.handle.net/2248/5186
ISBN:	978-3-642-02858-8
Appears in Collections:	IIAP Publications

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