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FIES ThAr atlasorders 157 – 79
wavelength 3620 – 7260 A
Dec 2007
medium resolution
file: FIql020001.fits
John TeltingNordic Optical Telescope, La Palma, Spain
This ThAr atlas was made in Dec 2007, using the top-calibration unit and fiber #3 (mediumresolution) of the second bundle. The fits file used is FIql020001.fits. A halogen exposure(FIql020002.fits) was used to trace the orders.
Parameters found and used (’ecidentify’):RMS = 0.003 Afunction chebyshevxorder 4yorder 4slope -1shift 0.See the help on the IRAF ’ecidentify’ package for a detailed description of these parameters.
Figure 1: Residuals (in A ) from the wavelength solution; for each identified ThAr line theresidual position is plotted as a function of pixel position in the dispersion direction (CCD Ydirection)
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Figure 2: Residuals (in A ) from the wavelength solution; for each identified ThAr line theresidual position is plotted as a function of pixel position in the cross-dispersion direction(CCD X direction)
Figure 3: Same as Figure 1 but with velocity in km/s on the vertical axis
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Figure 4: Same as Figure 2 but with velocity in km/s on the vertical axis
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