28 Oct 2003 particle stream timing

X17 flare in

10 486

Solar Release Time (SRT) Arrival at 1AU

First radio signature

(corrected)

10:50 11:01:20 (<800 MHz)

10:58 (>800 MHz)

Impulsive electrons 11:05 (11:00-11:09) 11:21-11:26

Relativistic protons 11:07 (11:04-11:10) 11:13-11:19

Gradual electrons 11:19 (11:14-11:25) 11:25:11:36

after Klassen, Krucker, et al. 2005, JGR 110, A09S04

Overview all sources 11-12 UT

Gap 30 km/s

Red: TSYellow: continuum with fiber bursts

35-50 Mm

Pmin

Fibers during relativistic (GLE) proton injection

300

MHz

800

11:12 11:13 11:14 UT

AIP

300

800

MHz

1300

11:14 11:15 11:16 11:17 11:18 UT 11:19

AIP

AOO

Courtesy: M. Karlicky

(time derivedradio spectra)

Field lines selected by fiber burst sources (I)

11:13-11:1411:13-11:14

and 11:17-11:19

Cartesian potential field extrapol.

Method: A&A 435, 1137 (2005) Cubes: NRH source sites of fiber bursts

Field lines selected by fiber burst sources (II)

Spheric potential field extrapol. (Schrijver & DeRosa 2003)

Magnetic field around AR 10486

150-300 Mm

AR 10486

near AR 10493

acc. to Schrijver & DeRosa 2003

Multi-loop structure during GLE proton injection

Essential mean field structures selected by fiber bursts

Main flaring arcade

S

N