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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
12.1.
Introduction and Definitions 305
which the disperser is used. In the so-called slitless spectroscopy mode a prism or
grating acts as a dispersing filter and gives a spectrum for each source in the field.
For slit
spectroscopy,
when the disperser is part of a slit spectrometer, a spectrum
is obtained for each source whose light passes through the slit.
Two other spectroscopic modes used extensively in astronomy are multiple
object spectroscopy (MOS) and integral field spectroscopy (IFS). When used with
a grating spectrometer, each of these modes uses optical fibers to transfer light
fi-om a 2D focal surface of a telescope to the one-dimensiona ...
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Publisher Resources

ISBN: 9780126298109