Документ взят из кэша поисковой машины. Адрес оригинального документа : http://xmm.vilspa.esa.es/sas/7.0.0/doc/especget/node6.html
Дата изменения: Thu Jun 29 02:03:55 2006
Дата индексирования: Sat Dec 22 09:36:12 2007
Кодировка:
Поисковые слова: cygnus loop

XMM-Newton Science Analysis System


especget (especget-1.21.3) [xmmsas_20060628_1801-7.0.0]

Meta Index / Home Page / Description

Header keywords

The task writes the names of the created files into the source spectrum header keywords, BACKFILE, RESPFILE, ANCRFILE. These may be automatically read by spectral fitting programs to link the files and perform area weighted background subtraction, e.g. for xspec.

XSPEC>data myagn_src.ds
 Net count rate (cts/s) for file   1   5.049    +/-  2.6091E-02( 98.5% total)
   using response (RMF) file...       myagn_src.rmf
   using auxiliary (ARF) file...      myagn_src.arf
   using background file...           myagn_bgd.ds
   1 data set is in use
XSPEC>