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Class introduction
ASTRONOMY 535
OBSERVATIONAL TECHNIQUES
CLASS NOTES
Spring 2003
Instructor: Rene Walterbos
Lecture notes from Jon Holtzman, with some modifications/additions by RW
Entire file in one
Postscript file
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Class introduction
Properties of light and error analysis
Intermezzo on Fourier Transforms, Convolution, and Sampling
Effects of the earth's atmosphere
Night sky emission
Transmission of atmosphere
Atmospheric refraction
Seeing: theory and practice
What does seeing cause the image to look like?
Astronomical optics
Single surface optics and definitions
Multi-surface systems
Aberrations
Surface requirements for unaberrated images
Aberrations: general description and low-order abberrations
Aberration compensation and different telescope types
Ray tracing
Physical (diffraction) optics
Sources of aberrations
Adaptive Optics
Telescope design considerations
Large mirror types
Using telescopes
INSTRUMENTATION
Auxiliary Optics
Field Flatteners
Focal Reducers
Pupil reimagers
Filters
Fabry-Perot Interferometer
Spectrographs
Dispersing elements
Operational items
Non-dispersive spectroscopy
Detectors
Basic Principles and Properties
CCDs
IR detectors
UV and other detectors
Data Reduction
Data reduction procedure
Things to do at the telescope
Basic astronomical image processing
What is involved in image processing?
Astronomy packages
Image display
Image file formats
Combining images
Shifting images
Photometry
Aperture photometry
Crowding
Atmospheric extinction
Standard stars
Least squares fitting
Photometric systems
Emission line photometry
Surface photometry
Spatial filtering
Spectroscopic data
Spectroscopic data reduction
Spectroscopic data analysis
Astronomy databases
General data bases
Specific project databases
SDSS
Rene Walterbos 2003-04-14
