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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
144 6. Reflecting Telescopes
Angular
ASA
ATC
Table 6.16
Aberrations for Despaced Secondary"'*
RC
0.912
0.252
AG
0.846
0.174
''dk =
ds2/fx
=0.001.
*
Aberrations are given in units of arc-seconds,
ATC is given at a field angle of 18 arc-min, and
parameters of telescopes are given in Table 6.10.
conclusion was already noted here for secondary misalignments. In general, a
telescope with a faster primary is more sensitive to alignment errors of any kind.
The calculation of coma introduced by a despaced secondary proceeds in a
similar way. We start with the coma coefficient ^2^ in Table 6.6 and ATC from
Table 6.7, express all variables in terms o ...
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Publisher Resources

ISBN: 9780126298109