| The solar magnetic field, 1976 through 1985 : an atlas of photospheric magnetic field observations and computed coronal magnetic fields from the John M. Wilcox Solar Observatory at Stanford, 1976-1985 - :1339 | National Environmental Satellite and Data Information Service (NESDIS)
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The solar magnetic field, 1976 through 1985 : an atlas of photospheric magnetic field observations and computed coronal magnetic fields from the John M. Wilcox Solar Observatory at Stanford, 1976-1985
  • Published Date:
    1986
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The  solar magnetic field, 1976 through 1985 : an atlas of photospheric magnetic field observations and computed coronal magnetic fields from the John M. Wilcox Solar Observatory at Stanford, 1976-1985
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  • Corporate Authors:
    United States, National Environmental Satellite, Data, and Information Service, ; World Data Center A for Solar-Terrestrial Physics ;
  • Description:
    Daily magnetogram observations of the large-scale photospheric magnetic field have been made at the John M. Wilcox Solar Observatory at Stanford since May of 1976. These measurements provide a homogeneous record of the changing solar field through most of Solar Cycle 21. Using the photospheric data, the configuration of the coronal and heliospheric fields can be calculated using a Potential Field -- Source Surface model. This provides a 3-dimensional picture of the heliospheric field evolution during the solar cycle. In this report we present the complete set of synoptic charts of the measures photospheric magnetic field, the computed field at the source surface, and the coefficients of the multipole expansion of the coronal field. The general underlying structure of the solar and heliospheric fields, which determine the environment for solar - terrestrial relations and provide the context within which solar activity related events occur, can be approximated from these data.

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