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Long periods in diameter, irradiance and activity of the Sun

Published online by Cambridge University Press:  03 August 2017

Ph. Delache ,
F. Laclare  and
H. Sadsaoud
Ph. Delache
Affiliation:
Nice Observatory and CNRS (UA128) B.P. 139 F-06003 Nice Cedex
F. Laclare
Affiliation:
C.E.R.G.A. and CNRS (UA 252) Plateau de Calern, Caussols F-06460 St Vallier de Thiey
H. Sadsaoud
Affiliation:
C.E.R.G.A. and CNRS (UA 252) Plateau de Calern, Caussols F-06460 St Vallier de Thiey

Abstract

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Long periods have been detected in solar diameter measurements obtained during the past 10 years. The same periodicities are also present in other global Sun parameters such as the 10 cm radio flux, the total irradiance, and possibly the neutrino flux. Special attention is paid to periods corresponding to the solar cycle (“C”), 1000 days (“P”) and 320 days (“W”). Studying the respective phases of the signals give some insight to the possible physical origins of these variations.

Type
Chapter 3: Longterm Variations in the Sun
Information
Symposium - International Astronomical Union , Volume 123: Advances In Hello- and Asteroseismology , 1988 , pp. 223 - 226
Copyright
Copyright © Reidel 1988 

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