Abstract
New measurements of the number density of the Network Bright Points confirm the variation of the density of the photospheric network at the centre of the disk during the solar cycle and that in the period 1983–1985, this number density (i.e. the magnetic flux in the quiet sun) was maximum, both at the poles and at the equator.
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Muller, R., Roudier, T. Latitude and cycle variations of the photospheric network. Sol Phys 152, 131–137 (1994). https://doi.org/10.1007/BF01473195
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DOI: https://doi.org/10.1007/BF01473195