Synopsis
The XSPEC agnslim model: AGN super-Eddington accretion model
Syntax
xsagnslim The xsagnslim model is an additive model component.
Description
The model is described at [1] .
Example
>>> create_model_component("xsagnslim", "mdl") >>> print(mdl)
Create a component of the xsagnslim model and display its default parameters. The output is:
mdl Param Type Value Min Max Units ----- ---- ----- --- --- ----- mdl.mass frozen 1e+07 1 1e+10 solar mdl.dist frozen 100 0.01 1e+09 Mpc mdl.logmdot thawed 1 -10 3 mdl.astar frozen 0 0 0.998 mdl.cosi frozen 0.5 0.05 1 mdl.kTe_hot frozen 100 10 300 keV(-pl) mdl.kTe_warm thawed 0.2 0.1 0.5 keV(-sc) mdl.Gamma_hot thawed 2.4 1.3 3 mdl.Gamma_warm thawed 3 2 10 (-disk) mdl.R_hot thawed 10 2 500 Rg mdl.R_warm thawed 20 2 500 Rg mdl.logrout frozen -1 -3 7 (-selfg) mdl.rin frozen -1 -1 100 mdl.redshift frozen 0 0 5 mdl.norm thawed 1 0 1e+24
ATTRIBUTES
The attributes for this object are:
Attribute | Definition |
---|---|
mass | The black hole mass, in solar units. |
dist | The comoving (proper) distance, in Mpc. |
logmdot | log of mdot, where mdot = Mdot/Mdot_Edd and eta Mdot_Edd c^2 = L_Edd |
astar | The black hole spin (dimensionless) |
cosi | The cosine of the inclination angle i for the warm Comptonising component and the outer disc. |
kTe_hot | The electron temperature for the hot Comptonisation component in keV. If negative then only the hot Comptonisation component is used. |
kTe_warm | The electron temperature for the warm Comptonisation component in keV. If negative then only the warm Comptonisation component is used. |
Gamma_hot | The spectral index of the hot Comptonisation component. |
Gamma_warm | The spectral index of the warm Comptonisation component. If negative then only the outer disc component is used. |
R_hot | The outer radius of the hot Comptonisation component in Rg. |
R_warm | The outer radius of the warm Comptonisation component in Rg. |
logrout | The log of the outer radius of the disc in units of Rg. If negative, the code will use the self gravity radius as calculated from Laor & Netzer (1989) (see [1] ). |
rin | The inner radius of the disc in Rg. If this parameter is -1 (the default), the model will use the radius calculated from KD19. This must be greater than R_hot for mdot greater than 6 and greater than R_isco for mdot less than 6. |
redshift | The redshift. |
norm | The normalization of the model. This must be fixed at 1. |
References
- [1] https://heasarc.gsfc.nasa.gov/xanadu/xspec/manual/XSmodelAgnslim.html
Changes in CIAO
New in CIAO 4.14
The xsagnslim model (added in XSPEC 12.11.0) is new in CIAO 4.14.
XSPEC version
CIAO 4.14 comes with support for version 12.12.0 of the XSPEC models. This can be checked with the following:
% python -c 'from sherpa.astro import xspec; print(xspec.get_xsversion())' 12.12.0
Bugs
See the bugs pages on the Sherpa website for an up-to-date listing of known bugs.
See Also
- models
- xsagnsed