Документ взят из кэша поисковой машины. Адрес оригинального документа : http://xmm.vilspa.esa.es/sas/8.0.0/doc/rgsangles/footnode.html
Дата изменения: Wed Jul 2 11:06:27 2008
Дата индексирования: Fri Sep 5 22:38:33 2008
Кодировка:
Поисковые слова: http www.astronomy.ru forum index.php topic 4644.0.html

XMM-Newton Science Analysis System


rgsangles (rgsangles-4.6.3) [xmmsas_20080701_1801-8.0.0]

...../rgslib/index.html).

Please note that the calling interface to the described functions and subroutines of the OAL and of the CAL is not accurate, but is specified as pseudo-code for illustrative purposes only. The documentation of the OAL and CAL has to be consulted to find the actual calling sequence.

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....

This of course evaluates $=0$. However the implementation in rgslib is such that gratingAspectAngles calculates these angles with respect to an imaginary central grating of the RGA, and hence $\phi_0$ and $\psi_0$ are the angles of incidence on this grating corresponding to an on-axis source.

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