Variability of the quiet photospheric network

Details Variability of the quiet photospheric network Variability of the quiet photospheric network

Nov 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984esasp.220..239m&link_type=abstract

In ESA The Hydromagnetics of the Sun p 239-240 (SEE N85-25091 14-92)

Physics

1

Faculae, Periodic Variations, Photosphere, Solar Activity Effects, Magnetic Equator, Magnetic Flux, Solar Magnetic Field

Scientific paper

High resolution photographs of the photospheric network taken in the CaIIK 3933A line and 4308 A are analyzed to study the variation in latitude and over the solar cycle of facular points per surface unity. It appears that the density of the photospheric network is not distributed uniformly at the surface of the Sun: in September 83 it was weakened at the low (equatorial) and high (polar) active latitudes, while it was tremendously enhanced toward the pole. The density at the equator varies in antiphase to the sunspot number: it increases by a factor 3 or more from maximum to minimum of activity. Implications for the latitude and cyclic variation of the magnetic flux in the quiet Sun are discussed.

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