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A. H. Andrei, J. L. Penna, E. Reis Neto, E. G. Jilinki, S. C. Boscardin, C. Delmas, F. Morand and F. Laclare, “Solar Diameter Observations on the Maximum of Cycle 23,” Journées 2002—Systèmes de Référence Spatio-Temporels, Astrometry from Ground and from Space, 2003, pp. 185-188.

has been cited by the following article:

• TITLE: Correlation between Solar Semi-Diameter and Geomagnetic Time Series

  AUTHORS: Eugênio Reis Neto, Vitor Hugo Alves Dias, Andrés Reinaldo Rodriguez Papa, Alexandre Humberto Andrei, Jucira Lousada Penna, Irineu Figueiredo, Sérgio Calderari Boscardin, Victor de Amorin d’Ávila

  KEYWORDS: Solar Diameter; Geomagnetic Series; Correlation; Time Series

  JOURNAL NAME: International Journal of Geosciences, Vol.3 No.2, May 23, 2012

  ABSTRACT: We study the correlation between geomagnetic and solar semi-diameter measurements made at two of our ground stations (Vassouras and Rio de Janeiro, Brazil). The study comprises the period from March 1998 to November 2003, for which daily means were compared. Both series describe correlated, but different, phenomena and, consequently, before a correlation study, an individual analysis of each data set was necessary. One of the motivations of the present work was to further explore the correlation with lags found between the solar semi-diameter and some solar activity estimators, which supports the probabilistic forecasting of the solar activity and hence, of the solar driven geomagnetic variations.