Low Noise Spectrometer For The Daily Measurement Of Solar Chromospheric Flux

W. C. Livingston; Charles Mahaffey; B. Ye

doi:10.1117/12.933462

16 November 1982 Low Noise Spectrometer For The Daily Measurement Of Solar Chromospheric Flux

W. C. Livingston, Charles Mahaffey, B. Ye

Proceedings Volume 0331, Instrumentation in Astronomy IV; (1982) https://doi.org/10.1117/12.933462
Event: 1982 Astronomy Conferences, 1982, Tucson, United States

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%.

Citation Download Citation

W. C. Livingston, Charles Mahaffey, and B. Ye "Low Noise Spectrometer For The Daily Measurement Of Solar Chromospheric Flux", Proc. SPIE 0331, Instrumentation in Astronomy IV, (16 November 1982); https://doi.org/10.1117/12.933462

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