Calibration Lamp Spectra
Neon
Hg-Cd-Ar
When the HgCdAr lamp is first turned on, Argon lines are visible at the red end of the spectrum, but quickly vanish. It also takes a couple minutes for the lamp to warm up and show the Cadmium lines at full strength.
Support Astronomers (sa@ucolick.org) Last modified: Tue Jul 17 19:08:09 PDT 2012