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Proceedings Paper

Low Noise Spectrometer For The Daily Measurement Of Solar Chromospheric Flux
Author(s): W. C. Livingston; Charles Mahaffey; B. Ye
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Paper Abstract

A "sun as a star" spectrometer is described which measures the variability of the core of Ca II 3933Å relative to the nearby continuum at 3953Å. The system is capable of 0.001% photometry but differential atmospheric extinction over the 20Å bandpass limits detectivity to 0.02%.

Paper Details

Date Published: 16 November 1982
PDF: 3 pages
Proc. SPIE 0331, Instrumentation in Astronomy IV, (16 November 1982); doi: 10.1117/12.933462
Show Author Affiliations
W. C. Livingston, Kitt Peak National Observatory (United States)
Charles Mahaffey, Kitt Peak National Observatory (United States)
B. Ye, Yunnan Observatory (China)


Published in SPIE Proceedings Vol. 0331:
Instrumentation in Astronomy IV
David L. Crawford, Editor(s)

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