Whole Sun Month 3
Workshop - Sigmoid
JOP 106
Overview of sigmoid observations
Disk passage of sigmoid:
Yohkoh movie
TRACE movie
EIT movie
BBSO H-alpha movie
- sigmoidal filament forms and evolves
MDI magnetic field movie
Highlights of evolution:
pre-WSM3 fireworks - August 17 flare (
image
,
movie)
and NE
streamer blowout
- detailed
EIT observations
of event,
(Flare Topology Working Group)
sigmoid filament disappearance and brightening:
August 20:
Meudon H-alpha
,
BBSO H-alpha
,
SXT
,
EIT
August 21:
Meudon H-alpha
,
BBSO H-alpha
,
SXT
,
SXT high time cadence
,
TRACE
,
EIT
,
CDS
jet-like CME at West limb, August 26
August 26:
EIT/LASCO
UVCS,
MLSO CHIP
,
MLSO dPmon (PICS)
,
CDS
,
TRACE
Sigmoid working group
Summary of sigmoid observations