More models for XSPEC
The following models have been publically released by their authors
but are not included in the latest release. Those that are
table models can simply be downloaded and used in XSPEC using the
atable or
mtable commands.
Other models can be installed as local models as described in the
appendix.
Some of these models are available through GitHub.
If you have models that you would like to make available to a wider
public, please contact Keith Arnaud (Keith.A.Arnaud-at-nasa.gov).
Note that we do not assume any responsibility for the content found on these linked pages. The inclusion of these links does not imply endorsement or guarantee of their content or functionality. External links open in a new window.
Local models
- A
variable-Comptonization spectral-timing model for QPOs: vKompth
Model added on 8/11/23.
- Relativistic
reflection model from Dauser and Garcia which combines relconv and xillver: relxill.
For Mac OS users attempting to build the relxill local model
package (using Xspec's 'initpackage' command) with the clang++ compiler, you will first need to download and run
this shell script from your
heasoft-[ver]/Xspec/src directory. Note that this is the same
directory from which you would normally install Xspec patch files.
Model added 1/23/14. Updated 7/15/14. Updated (v0.3a)
10/15/15. Updated (v0.4a) 1/18/15. Updated (v1.1.0) 8/1/18. Updated
(v1.2.0) 8/9/18. Updated (v1.4.0) 10/8/20. Updated (v2.0)
7/5/22. Updated (v2.1) 8/1/22. Updated (v2.2) 9/6/22.
- Spectral
models for Chandra ACIS particle-induced background from Suzuki et
al.: mkacispback
Model added on 5/24/22.
- A library of
synthetic spectra for fitting tidal disruption events from Wen et al.: slimdisk
Model added on 4/7/22.
- A python script to extract spectra from
SPEX in a form that can be used by xspec
Model added 7/10/06. Updated 10/24/08. Updated 8/1/18. Updated 9/22/20.
- Collisional plasmas
with non-Maxwellian distributions of electrons from Cui et al.: kappa.
Model added on 8/6/20.
- AtomDB electron-electron
bremsstrahlung model: eebrems.
Model added on 8/6/20.
- Relativistic
reflection model from Niedzwiecki et. al.: reflkerr.
Model added 4/18/19.
- Model for high-resolution X-ray absorption
from material in ionization equilibrium from Gatuzz and Churazov:ioneq.
Model added 11/9/17.
- Propagating fluctuations in the mass
accretion rate of a precessing flow as a power spectral model for
black hole binaries: propfluc
This is not a model for energy spectra but for power spectrum from
timing data. Model added 8/2/11. New much faster version with more
features 9/16/14. Updated 06/12/2019.
- Line profiles from hot star winds;
absorption of X-rays from hot star winds: windprof, hwind, hewind, windtabs.
Model added 1/30/13. Updated on 8/4/15. Installation instructions
updated 8/28/15.
- Photoionization models from Ali
Kinkhabwala produced as part of a PhD thesis at Columbia Astrophysics
Laboratory : photoion, phai, phxi, miabs, siabs, xiabs, neutral,
vneutral, addext, mulext, tauext.
Model added 4/7/06. Updated 11/7/06 to include some input data files
that were accidentally left out of the tar file. Updated 03/23/2018.
- Absorption due to gas in coronal equilibrium
: hotabs.
Model added 12/2/05. Updated on 02/29/08. Updated on 08/25/08.
- XSTAR warm absorber model : warmabs.
Model added 07/27/05. Updated on 02/29/08. Updated on 08/25/08.
- Beckwith and Done's line profiles from a Keplerian disk around a
black hole : kdline0, kdconv0, kdline1, kdconv1.
Model added 05/12/05.
Table models
An Xspec Table Model Generator is available from MIT to assist in creating your own table models in Python. It includes functionality to include polarization data.
Older local models now included as standard in the current release
Keith Arnaud,
Exploration of the Universe Division, NASA/Goddard Space Flight Center
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Last modified: Tuesday, 10-Oct-2023 16:19:57 EDT
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