Table thar is the Los Alamos table

Tables thar25, thar33, thar50, thar100, are described in the following article :
J.P. De Cuyper and  H. Hensberge
Wavelength Calibration at Moderately High Resolution
Astron. Astrophys. Suppl., 1998, 128, 409-416

Table fors_cal.fits is described in 
FORS 1+2 User Manual, VLT-MAN-ESO-13100-1543