Concept information
TERME PRÉFÉRENTIEL
MAGNETOGRAPHS
DÉFINITION
- MAGNETOGRAPHS are dedicated instruments that observe the solar vector magnetic field and provide a homogeneous record of the changing solar field. The solar magnetic fields are photographically or computer drawn contours of the solar longitudinal magnetic field distribution across the whole sun at different levels of nanotesla (gauss). The computer-plotted contours use solid lines for positive and dotted lines for negative field polarities. The polarities on the photographs are indicated by bright areas (positive) and dark areas (negative). The data also can be drawings of individual sunspot regions with coordinates, polarity and intensity in nanotesla of each spot indicated.
CONCEPT GÉNÉRIQUE
URI
https://gcmd.earthdata.nasa.gov/kms/concept/b2b82375-d0b0-416e-af7d-b6d01063550d
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