Performs the XSPEC command xsect.
sherpa> XSPEC XSECT <arg>
where <arg> is one of the options listed in the table below.
This commands sets the photoelectric cross-section used in
XSPEC absorption models. (It does not set the
cross-section for xswabs.)
Allowed Arguments
| bcmc | default value;
Balucinska-Church & McCammon (1992, ApJ 400, 699) with a new He
cross-section based on (1998, ApJ 496, 1044) |
| obcm | bcmc with the old He
cross-section |
| vern | Verner et al. (1996, ApJ 465,
487) |
Run the XSPEC command xsect, setting
abundances to OBCM:
Reset the cross-section to the default value:
For a list of known bugs and issues with the XSPEC models, please visit the XSPEC bugs page.
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