Dissecting
the Universe:
A study presented to the faculty of Wheaton College
in partial fulfillment of the requirements for
graduation with Departmental Honors in physics.
Norton, Massachusetts
May 17, 2001
Acknowledgements: Professor Tim Barker, Professor John Collins, Spencer Zawasky, Lori Agan, James Eberhart
2.2 Resolution of a Spectrum
2.3 Dispersion of a Spectrum
2.4 Blazing
2.5 The SGS Gratings
3.1 The Tilt Problem
3.2 Changing Gratings
3.3 Wavelength Calibration
3.4 Order Overlap
3.5 Software
4.1 The SGS on the Scope
4.2 Some More Tips
5.1 A
Brief Look at the Nature of Digital Images
5.2 Pixel
Depth and Image Format
5.3 Processing
with Iris
6.1 Visual Spec and Wavelength Calibration
6.2 Radiometric Correction
6.3 Normalization
7.1 Spectral Classes
7.2 Intensity Classes
7.3 Atmospheric Lines
7.4 Methane Absorption
7.5 Orion Nebula
Appendix: Argon Discharge Lamp Reference Lines
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Spectroscopy by Maurice Gavin