User's Guide to the Kast Double Spectrograph


Table of Contents


Introduction
Quick Reference
Hardware Overview
Common Path
Blue Side
Red Side
Detector Characteristics
Software
Kast Controller
Data Taking System
Position Angle
Arc and Flat-field Lamps
Diagonal Mirror
Kast Focus
Eventsounds
Telescope Offset
Setup and Observing Hints
Setup Procedures
Observing Hints
Calibration Lamp Spectra
Exposure Time Calculator
Data Quicklook

Data Archive
Mt. Hamilton Homepage

Calibration Lamp Spectra

The plots below and available via download are sample spectra of the Lick Observatory arc lamps with wavelength identifications. A text file, suitable for use with IRAF, licklinelist.dat, includes most of the lines identified in the various calibration lamp plots.

Ne-Ar Lamp Spectrum

He-Hg-Cd Lamp Spectrum


Additional sample spectra (these are larger images) are available below.

Kast Blue 452/3300 He-Hg-Cd

Kast Blue 600/4310 He-Hg-Cd

Kast Blue 830/3460 He-Hg-Cd

Kast Red 1200/5000 He-Hg-Cd, 5000 A central wavelength

Kast Red 1200/5000 He-Hg-Cd, 6000 A central wavelength

Kast Red 1200/5000 Ne, 6000 A central wavelength

Kast Red 1200/5000 Ne-Ar, maximum grating tilt

Kast Red 300/7500 Ar

Kast Red 300/7500 He-Hg-Ar IR (courtesy Dick Shaw)

Kast Red 300/7500 Ne IR (courtesy Dick Shaw)

Kast Red 300/7500 Ne

Kast Red 600/5000 He-Hg-Cd

Kast Red 600/5000 Ne

Kast Red 600/7500 He-Hg-Ar IR (courtesy Dick Shaw)

Kast Red 600/7500 Ne IR (courtesy Dick Shaw)

Kast Red 600/7500 Ne

Kast Red 830/8460 Ne IR

Kast Red 830/8460 Ne

Mount Hamilton Sky, 1975