Program for WG1 Sessions

(Version 3, 12 November)

Wednesday, December 8

AM I: 8:30 - 10:15

Formalities, Invited talks (Fisher, Gosling)

Break, posters

AM II: 10:45 - 12:15

Helicity and Energy Flow into the Corona

Welsch, B. Observational estimation of helicity and energy flow (tutorial)
Rust, D. Helicity buildup and Major Flares
Chen,  J. Transport of poloidal flux along subphotospheric flux ropes

PM I: 13:15 - 15:15

Flare and CME Triggers and Precursors

Kusano, K. Reversal of magnetic shear as a trigger mechanism of solar flares
Isenberg, P. A 3D line-tied model of an erupting flux rope
Zuccarello, F. Cancelling magnetic features and eruptive events
Abramenko, V. Diagnostics of flare activity level from turbulence parameters of photospheric plasma
Break, posters

PM II: 15:45 - 17:30

Subphotospheric Dynamics

Kosovichev, A. Subphotospheric dynamics of flaring active regions
Komm, R. Searching for subsurface signatures of X-class flares
Zhao, J. Subsurface kinetic helicity beneath solar active regions
Posters, beer

Thursday, December 9

AM I: 8:45 - 10:15

Invited talks (Brown, Bastian)

AM II: 10:45 - 12:15

AR 8210

Georgoulis, M. Relative magnetic helicity calculations for AR 8210
Regnier, S. Magnetic energy buildup and photospheric motions in AR 8210
Abbett, W. Data-driven MHD simulations of AR 8210 

PM I: 13:45 - 15:15

AR 10486

Romano, P. Study of the X17.2 eruptive flare on 28 October 2003
Ishii, T. Preflare brightenings and neutral line motion in AR 10486
Regnier, S. Modeling AR 10486 with potential vs non-linear force-free fields
Break, posters

PM II: 15:45 - 17:30

Rotating Sunspots & Eruptions

Schmahl, E. Pre-Flare HXR emission associated with eruptive filaments and CMEs
Nightingale, R. TRACE observations of many active regions with X-flares and rotating sunspots
Pevtsov, A. Role of trans-equatorial loops in eruptions
Posters, banquet

Friday, December 10

AM I: 08:30 - 10:00

Pre-Event Reconnection and Current Sheet Formation (Hosted by WG2)

Break, posters

AM II: 10:30 - 12:00

A Debate (Hosted by WG1):

Resolved: Eruptive Flares and CMEs are initiated by the helical kink instability


Fan, Y. Numerical simulations of 3D coronal magnetic fields resulting from the emergence of twisted magnetic flux tubes
Rust, D. Observations of eruptions


Titov, V. Numerical simulations of the eruption of twisted flux
Canfield, R. Observations of ARs and sigmoids in the photosphere and corona

PM I: 13:30 - 15:00

WG1 Mini-Groups (in parallel)

WG1a: Inferring velocity fields from magnetograms

Organizer: B. Welsch

WG1b: Open session 

Organizer: R. Canfield

Kusano, K. Induction Equation Method Leka, K. Twist, kink, and other contortions
Longcope, D. Minimum Energy Fit Method Barnes, G. Tests of the force-free state of the photosphere and chromosphere
Georgeolis, M. Minimum Structure Method Morita, S. Properties of a flare productive magnetic polarity inversion line: its genesis and decay
Break, posters

PM II: 15:30 - 17:30

WG1 mini-groups (WG1a and WG1b) in parallel (continued), 15:30 - 16:30

WG1a: Inferring velocity fields from magnetograms (continued)

Organizer: B. Welsch

WG1b: Open session (continued)

Organizer: R. Canfield

Welsch, B. Induction Equation & Local Corellation Tracking McAteer, J. Solar flare prediction using the fractal dimension of active region boundaries
Schuck, P. tbd tbd Available

WG1 Wrap-up (all of WG1 meets together, 16:30 - 17:30):

Open Discussion: What did we learn at this workshop?


Saturday, December 11

AM I: 08:30 - 10:30

Working Group Reports


AM II: 11:00 - 13:00

Working Group Reports



Wineries tour!