A wavelength calibration device for large dispersion spectrographs

Details A wavelength calibration device for large dispersion spectrographs A wavelength calibration device for large dispersion spectrographs

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....81...50b&link_type=abstract

Astronomy and Astrophysics, vol. 81, no. 1-2, Jan. 1980, p. 50-53.

Astronomy and Astrophysics

Astrophysics

Calibrating, Spectrographs, Stellar Spectrophotometry, Wavelengths, Diodes, Drift (Instrumentation), Solar Rotation, Solar Spectra

Scientific paper

An iodine absorption tube has been used at the Sacramento Peak Observatory Diode Array for monitoring the effects of spectrograph drift. This wavelength calibration device has the capability of monitoring instrumental drifts to within a few tenths of a milliangstrom. Full disk solar velocity observations are shown, with and without the calibration provided by this device. It is suggested that this method be applied to stellar spectrographs.

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