A Fabry Perot spectrometer for measuring solar velocity fields

Details A Fabry Perot spectrometer for measuring solar velocity fields A Fabry Perot spectrometer for measuring solar velocity fields

May 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....85..255c&link_type=abstract

Astronomy and Astrophysics, vol. 85, no. 1-2, May 1980, p. 255-258. Research supported by the Consiglio Nazionale delle Ricerch

Astronomy and Astrophysics

Astrophysics

11

Fabry-Perot Spectrometers, Solar Spectra, Solar Spectrometers, Solar Velocity, Velocity Distribution, Fabry-Perot Interferometers, Iron, Line Spectra

Scientific paper

A solar spectrometer based on a Fabry-Perot interferometer has been developed as an alternative to grating spectrometers for measuring solar velocity fields. The spectrometer features high stability and provides measurements of velocity fields down to 8 m/s over solar surface areas up to two arcmin in diameter. Wavelength drifts of the system are slow and predictable, and the results may be rectified by a continuous test of the interferometer thickness with a standard wavelength source. Data obtained on the bisector of the 6301.508 Fe I line are reported.

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