The MSFC vector magnetograph

Details The MSFC vector magnetograph The MSFC vector magnetograph

Feb 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981stin...8227210h&link_type=abstract

Unknown

Physics

Optics

Electro-Optics, Magnetic Measurement, Optical Equipment, Photosphere, Solar Magnetic Field, Calibrating, Cassegrain Optics, Digital Systems, Polarization Characteristics, Signal To Noise Ratios, Spatial Resolution

Scientific paper

The NASA/Marshall Space Flight Center's solar vector magnetograph system allows measurements of all components of the Sun's photospheric magnetic field over a 5 x 5 or 2.5 x 2.5 arc min square field of view with an optimum time resolution of approximately 100 sec and an optimum signal-to-noise of approximately 1000. The basic system components are described, including the optics, detector, digital system, and associated electronics. Automatic sequencing and control functions are outlined as well as manual selections of system parameters which afford unique system flexibility. Results of system calibration and performance are presented, including linearity, dynamic range, uniformity, spatial and spectral resolutions, signal-to-noise, electro-optical retardation and polarization calibration.

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