NASA NTRS · 19840047150
Solar disk sextant
Abstract
This paper presents the conceptual design of an instrument, called the solar disk sextant, to be used in space to measure the shape and the size of the sun and their variations. The instrumental parameters required to produce sufficient sensitivity to address the problems of solar oblateness, solar pulsations, and global size changes of climatic importance are given.
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Sofia, S., Chiu, H.-Y., Maier, E., Schatten, K. H., Minott, P., Endal, A. S.. 1984-04-15. Solar disk sextant. https://ntrs.nasa.gov/citations/19840047150
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