Has SXT seen a global coronal wave at last?

1. Introduction

Prototypical Type II burst from Culgoora - June 1992

  • Ancient history

  • Recent history

  • Why is it important?

    2. Movies

    Raw data: (GIF movie, 400kB)

    Fixed differences: (GIF movie, 260kB)

    Running differences: (GIF movie, 625kB)

    EIT (195 A) fixed differences (courtesy B. Thompson): (Javascript movie)

    EIT running differences (courtesy B. Thompson): (Javascript movie)

    3. Analysis of motion

    Timing of images with respect to GOES

    4. Why has SXT not seen more Moreton waves?

  • Jim Lemen's analysis

  • Further commentary

  • SXT response issues

  • More SXT response issues

    5. If it's a wave, how is it driven?

  • Expectations from theory

  • A new idea

    6. So what? Was it a wave, or wasn't it?

    Actual Type II burst from Hiraiso - May 1998

    The key frame from the EIT difference movie - May 1998

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    Comments to: hudson@isass0.solar.isas.ac.jp