Physics
Scientific paper
Nov 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994soph..155...45d&link_type=abstract
Solar Physics (ISSN 0038-0938), vol. 155, no.1, p. 45-55
Physics
2
Data Reduction, Photosphere, Solar Cycles, Solar Magnetic Field, Density Distribution, Magnetic Flux, Poisson Density Functions, Statistical Analysis
Scientific paper
The tendency of network bright points (NBPs) to form in their surface distribution nonrandom, small-scale clusters is studied by a 2-D nearest-neighbors test, based on observational data for the distance between separate NBPs. High-resolution photographs taken from long time series obtained at lambda 4308 A with the 50-cm refractor of Pic du Midi Observatory are used. Three different epochs of the solar cycle were chosen. The results obtained suggest that the degree of clustering depends on the solar cycle phase. Supposing that the NBPs are good tracers of the kilogauss small-scale magnetic field, we use them to obtain information about the subphotospheric small-scale magnetic field organization and its dependence on the solar cycle phase.
Dermendjev V. N.
Madjarska M. S.
Müller Reto
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