Magnetic field variations and the seismicity of solar active regions

Details Magnetic field variations and the seismicity of solar active regions Magnetic field variations and the seismicity of solar active regions

2009-02-23

arxiv.org/abs/0902.3856v2

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

4 pages, 4 figures, letter, Accepted in February by MNRAS

Scientific paper

10.1111/j.1745-3933.2009.00637.x

Dynamical changes in the solar corona have proven to be very important in inducing seismic waves into the photosphere. Different mechanisms for their generation have been proposed. In this work, we explore the magnetic field forces as plausible mechanisms to generate sunquakes as proposed by Hudson, Fisher and Welsch. We present a spatial and temporal analysis of the line-of-sight magnetic field variations induced by the seismically active 2003 October 29 and 2005 January 15 solar flares and compare these results with other supporting observations.

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