Eirik Hatlen / gammalib

Commit 57c8f7b93b8ae2ee090a28f48f88d79ba8a58aa6

Authored by Jürgen Knödlseder
1 parent bd295400

Update documentation

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doc/source/users/user_manual/modules/model/sky/spectral.rst
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... ... @@ -95,8 +95,7 @@ Table model
95 95 An arbitrary spectral model defined on a M-dimensional grid of parameter
96 96 values. The spectrum is computed using M-dimensional linear interpolation.
97 97 The model definition is provided by a FITS file that follows the
98   -`<https://heasarc.gsfc.nasa.gov/docs/heasarc/ofwg/docs/general/ogip_92_009/ogip_92_009.html>`_
99   -standard.
  98 +`HEASARC OGIP standard <https://heasarc.gsfc.nasa.gov/docs/heasarc/ofwg/docs/general/ogip_92_009/ogip_92_009.html>`_.
100 99  
101 100 The structure of the table model FITS file is shown below. The FITS file
102 101 contains three binary table extensions after an empty image extension.
... ... @@ -146,7 +145,7 @@ the usual OGIP format:
146 145 *Energy boundaries extension*
147 146  
148 147 The ``SPECTRA`` extension contains the spectra of the table model. It consists
149   -of two vector column. The ``PARAMVAL`` column provides the parameter values
  148 +of two vector columns. The ``PARAMVAL`` column provides the parameter values
150 149 for which the spectrum was computed. Since there are two parameters in the
151 150 example the vector column has two entries. The ``INTPSPEC`` column provides
152 151 the spectrum :math:`\frac{dN(p)}{dE}` for the specific parameters. Since there
... ... @@ -186,10 +185,9 @@ expanded.
186 185  
187 186 Note that the default parameters of the table model are provided in the FITS
188 187 file, according to the
189   -`<https://heasarc.gsfc.nasa.gov/docs/heasarc/ofwg/docs/general/ogip_92_009/ogip_92_009.html>`_
190   -standard.
  188 +`HEASARC OGIP standard <https://heasarc.gsfc.nasa.gov/docs/heasarc/ofwg/docs/general/ogip_92_009/ogip_92_009.html>`_.
191 189 However, table model parameters may also be specified in the XML file, and
192   -these parameter will then overwrite the parameters in the FITS file. For
  190 +these parameters will then overwrite the parameters in the FITS file. For
193 191 example, for a 2-dimensional table model with an ``Index`` and a ``Cutoff``
194 192 parameter, the XML file may look like
195 193  
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