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Sacramento Peak Magnetograph

Published online by Cambridge University Press:  14 August 2015

Richard B. Dunn
Richard B. Dunn*
Affiliation:
Sacramento Peak Observatory, Air Force Cambridge Research Laboratories, Sunspot, New Mexico, U.S.A.

Abstract

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The Sac Peak magnetograph (DZA) has been modified from Evans' original scheme so that it measures the displacement of the right and left hand circularly polarized lines separately. The computer reduction calculates the Zeeman and radial velocity signals. A grating servo system has been added to correct for slow temperature drifts in the spectrograph. A paper-tape reader controls the raster scan and the formatting of data on to magnetic tape.

Type
Part I: Instrumentation – Measurement Fields in the Solar Atmosphere
Information
Symposium - International Astronomical Union , Volume 43: Solar Magnetic Fields , 1971 , pp. 65 - 70
Copyright
Copyright © Reidel 1971 

References

Evans, J. W.: 1966, Atti Del Convegno Sui Campi Magnetici Solari , (ed. by Cimino, M.), G. Barbèra, Firenze.Google Scholar