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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
17.1.
Detector Characteristics
431
10.0
X
*5.
JO
E
3
A,(^im)
Fig. 17.3. Number of pixels spanning length XF for selected camera modes of the Hubble Space
Telescope. See Table 17.2 for values of F/A. ACS://72 (dash-dot-dot-dot),//26 (solid); NICMOS:
//80 (long dash),//45 (dash-dot),//17.2 (short dash).
wavelengths for which N >2is the range in which the image of
a
point source is
oversampled. When N = 2 there are approximately twelve pixels covering the
Airy disk.
It is important to note that detection of
a
single point source does not require a
large number of pixels covering the Airy disk. For the//26 mode of
the
WFC of
ACS,
for example, mos ...
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Publisher Resources

ISBN: 9780126298109