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Astronomical Optics, 2nd Edition
book

Astronomical Optics, 2nd Edition

by Daniel J. Schroeder
September 1999
Intermediate to advanced content levelIntermediate to advanced
478 pages
21h 54m
English
Academic Press
Content preview from Astronomical Optics, 2nd Edition
440 17. Detectors, Signal-to-Noise, and Detection Limits
17.5.
DETECTION LIMITS: SPECTROSCOPY
Calculation of detection limits for spectroscopy requires a careful analysis of
the type of spectrometer and the mode in which it is used. In this section we
consider slit and slitless modes, and stellar and extended sources. Selected
examples of representative telescope/spectrometer combinations are given.
17.5.a. SLIT SPECTROSCOPY-STELLAR SOURCES
The calculation of SNR for slit spectrometers proceeds by using Eqs. (17.3.3)
and (17.3.4) modified for different source or observing conditions. For a stellar
source there are two cases—the star image fits ...
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Publisher Resources

ISBN: 9780126298109