next up previous contents
Next: Signal Up: Performance Previous: Performance


Observations with a 1.5 arcsec slit produce arc lines with a FWHM of about 40 m, well matched to the 24 m pixel size of the Tektronix CCD. Table gif summarises the dispersion in Å/pixel obtained when each grating is used with the Tektronix CCD.

Tue Aug 15 16:42:46 BST 1995