ISOON H-alpha Survey of Sequential Chromospheric Brightenings

Details ISOON H-alpha Survey of Sequential Chromospheric Brightenings ISOON H-alpha Survey of Sequential Chromospheric Brightenings

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agufmsh13a0281h&link_type=abstract

American Geophysical Union, Fall Meeting 2005, abstract #SH13A-0281

Astronomy and Astrophysics

Astrophysics

7500 Solar Physics, Astrophysics, And Astronomy, 7507 Chromosphere, 7513 Coronal Mass Ejections (2101), 7524 Magnetic Fields, 7531 Prominence Eruptions

Scientific paper

Balasubramaniam et al. (2005, ApJ, 630, 1160) described a new phenomenon, sequential chromospheric brightenings (SCBs), associated with eruption of a transequatorial loop and a CME. We present a detailed survey of SCBs between December 2000 - May 2005. From this survey we have identified 17 SCBs observed during this period. We discuss the relationship between SCBs, and filament eruptions, coronal mass ejections (CME), and flares. The data were drawn from ISOON, SOHO/LASCO, and NOAA/GOES, and RHESSI missions. We find that: all SCBs are accompanied by filament eruption or disappearance; SCBs are more likely to be longer in duration than associated flares; and a large fraction of the SCBs (71%) are associated with CMEs.

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