User's Guide to the Nickel Spectrograph


Table of Contents


Introduction
Hardware Overview
Aperture Wheel
Filter Wheel
Collimator
Grisms
CCD Stage
Flexure
Detector Characteristics
Software Overview
CCD User Interface
Motor Controller
Nickelfocus
Observing Hints
Calibration Lamp Spectra
Checklists

Mt. Hamilton Homepage

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.


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Last modified: Tue Jul 17 19:08:09 PDT 2012