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Primary header

The file will contain a header and a number of BINTABLE extensions. The main header will include the following information :

  1. MODLNAME - the name of the model (string of 12 characters max).
  2. MODLUNIT - the units for the model (string of 12 characters max).
  3. REDSHIFT - whether redshift is to be a parameter (logical).
  4. ADDMODEL - whether this is an additive model (logical).

It should also include the standard OGIP keywords :


HDUCLASS 		 'OGIP'           

HDUCLAS1 'XSPEC TABLE MODEL'
HDUVERS '1.0.0'


next up previous
Next: PARAMETERS extension Up: The FITS file format Previous: The FITS file format
Keith Arnaud
2005-05-10