Large-scale Structures in Distribution of Coronal Bright Points

Details Large-scale Structures in Distribution of Coronal Bright Points Large-scale Structures in Distribution of Coronal Bright Points

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aspc..346..363s&link_type=abstract

Large-scale Structures and their Role in Solar Activity ASP Conference Series, Vol. 346, Proceedings of the Conference held 18-2

Physics

3

Scientific paper

We use an automatic procedure to find coronal bright points (BPs) in EIT 195 Å data observed in 1996 near deep minimum of solar activity. Identifying BPs as bright features with EUV flux above 80 DN/s and diameter about 2.6 -- 58 arcsec, we find about 463±22 BPs per solar disk. We also uncover small intensity fluctuations of diffuse corona surrounding the BPs. The intensity fluctuations correlate with BP brightness: increase in brightness of BPs causes increase in coronal intensity.

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