Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993exa.....4...87b&link_type=abstract
Experimental astronomy, vol. 4, no. 2, p. 87-104
Astronomy and Astrophysics
Astronomy
7
Astronomical Spectroscopy, D Lines, Doppler Effect, Satellite-Borne Instruments, Sodium Vapor, Soho Mission, Solar Oscillations, Solar Spectra, Solar Spectrometers, Velocity Measurement, Fraunhofer Lines, Resonance Lines, Resonance Scattering, Solar Interior, Structural Design, Temperature Dependence
Scientific paper
GOLF (Global Oscillations at Low Frequencies) is an instrument to study the line-of-sight velocity of the solar photosphere, to be flown on the SOHO satellite in 1995. It uses a sodium vapor cell in resonance scattering mode, in order to measure the absolute Doppler shift of the solar sodium absorption lines. We have developed a model of the resonance cell performance. We describe here the main characteristics of the model, and report the most important results concerning the performance of the cell and its dependance on temperature.
Boumier Patrick
Dame Luc
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