PPT-Photospheric

Flows amp Flare Forecasting tentative plans for Welsch amp Kazachenko Topics 0 Why do should photospheric electric or velocity fields E or v matter for flares Previous work with B. Based on works by. Asaf. . Pe’er. . (ITC / Harvard University) . in collaboration with . Peter . Meszaros. . (PSU). , Martin Rees . (. IoA. ) . Christoffer. . Lundman. , Felix . Ryde. . (Stockholm. Some models of coronal heating suppose that convective motions at the photosphere shuffle the . footpoints. of . coronal magnetic fields and thereby inject sufficient magnetic energy upward to account for observed coronal . Dandan Ye. Contents. Paper review: . 2005 J.J. Sudol and J.W. Harvey. ‘. Longitudinal magnetic field changes accompanying . . solar flares’. My work . about. flare-related magnetic field evolutions to the X1.8 flare on 2012.10.23. Faculty of Geodesy. Ka. č. i. će. va. 26, 10 000 Zagreb. Double Solar Telescope at Hvar. Hvar Observatory - http://. oh.geof.unizg.hr. Double Solar Telescope at Hvar. C. onsists. . of two Carl Zeiss refractors (. . What Photospheric Magnetograms Can Teach Us About Solar Activity. Brian T. Welsch, Bill Abbett. 1. , Dave Bercik. 1. , . George H. Fisher. 1. , Yan Li. 1. , and Pete W. Schuck. 2 . 1. Space Sciences Lab, UC-Berkeley; . Jing et al. . ApJ. , 2010, April 20 v713 issue, in press. Eq. (1). Free Magnetic Energy . E. free. Soft X-ray Flare Index FI. Eq. (2). where . . is the length of time window (measured in days), and I.