| Context |
|
Topic |
|
Summary |
| cl.sherpa |
|
sherpacl |
|
How to start SherpaCL, the CIAO 3.4-like interface to Sherpa and ChIPS in CIAO 4 |
|
| py.sherpa |
|
add_user_pars |
|
Add parameters to a user-defined model |
|
atten |
|
Attenuation by ISM. |
|
bbodyfreq |
|
Blackbody as a function of frequency. |
|
bbody |
|
Blackbody as a function of energy. |
|
beta1d |
|
1-D surface brightness beta-model. |
|
beta2d |
|
2-D Lorentzian with varying power law. |
|
box1d |
|
1-D box function. |
|
box2d |
|
2-D box function. |
|
bpl1d |
|
Broken power law function. |
|
calc_chisqr |
|
Calculate the Chi Squared statistic contribution per bin |
|
calc_data_sum2d |
|
Calculate the sum of observed image counts |
|
calc_data_sum |
|
Calculate the sum of observed data counts |
|
calc_energy_flux |
|
Calculate the unconvolved model energy flux |
|
calc_ftest |
|
Calculate the significance using the F test |
|
calc_kcorr |
|
Calculate the k correction |
|
calc_mlr |
|
Calculate the Maximum Likelihood Ratio test |
|
calc_model_sum2d |
|
Calculate the convolved 2D model amplitudes |
|
calc_model_sum |
|
Calculate the sum of convolved model counts |
|
calc_photon_flux |
|
Calculate the unconvolved model photon flux |
|
calc_source_sum2d |
|
Calculate the unconvolved 2D model amplitudes |
|
calc_source_sum |
|
Calculate the sum of unconvolved model amplitudes |
|
calc_stat |
|
Calculate the fit statistic by data set ID |
|
cash |
|
A maximum likelihood function. |
|
chi2constvar |
|
Chi-square statistic with constant variance computed from the counts data. |
|
chi2datavar |
|
Chi-square statistic with variance computed from the data. |
|
chi2gehrels |
|
Chi-square statistic with the Gehrels variance function. |
|
chi2modvar |
|
Chi-square statistic with variance computed from model amplitudes. |
|
chi2xspecvar |
|
Chi-square statistic with variance computed from data amplitudes. |
|
chisquare |
|
About the chi-square statistic. |
|
clean |
|
Erase data and model settings in a Sherpa session |
|
const1d |
|
1-D constant amplitude model. |
|
const2d |
|
2-D constant amplitude model. |
|
contour_data |
|
Open a contour plot of a data set in ChIPS |
|
contour_fit_resid |
|
Create a contour plot of the fit and residuals |
|
contour_fit |
|
Send a contour plot of the fit |
|
contour_model |
|
Open a contour plot of a data set model in ChIPS |
|
contour_psf |
|
Create a contour plot of a PSF |
|
contour_ratio |
|
Open a contour plot of a data-to-model ratio in ChIPS |
|
contour_resid |
|
Open a contour plot of data-minus-model residuals in ChIPS |
|
contour_source |
|
Create a contour plot of the source |
|
contour |
|
Open a contour plot in ChIPS |
|
copy_data |
|
Copy a data set by data ID to a new data ID (deep copy) |
|
cos |
|
Cosine function. |
|
covariance |
|
Estimate confidence intervals for selected thawed parameters based on covariance method |
|
create_model_component |
|
Create a new model component |
|
cstat |
|
A maximum likelihood function |
|
dataspace1d |
|
Create a blank 1D dataset |
|
dataspace2d |
|
Create a blank 2D dataset |
|
delete_bkg_model |
|
Delete a background model |
|
delete_data |
|
Delete a data set by ID |
|
delete_model_component |
|
Delete a model component |
|
delete_model |
|
Delete a Sherpa model by model ID |
|
delete_psf |
|
Delete a PSF model |
|
delta1d |
|
1-D delta function. |
|
delta2d |
|
2-D delta function. |
|
dered |
|
Dereddening function. |
|
devaucouleurs2d |
|
DeVaucouleurs profile. |
|
edge |
|
Photoabsorption edge model. |
|
eqwidth |
|
Calculate the equivalent width of an emission or absorption line. |
|
erfc |
|
A 1-D complementary error function. |
|
erf |
|
A 1-D error function. |
|
exp10 |
|
Exponential function, base 10. |
|
exp |
|
Exponential function. |
|
fake_pha |
|
Simulate a PHA dataset with faked counts using Poisson noise |
|
fit |
|
Perform a fit using current optimization method and fit statistic. |
|
freeze |
|
Freeze model parameters, so they do not vary during a fit. |
|
gamma |
|
Calculate the Gamma function |
|
gauss1d |
|
1-D unnormalized Gaussian function. |
|
gauss2d |
|
2-D unnormalized Gaussian function. |
|
get_analysis |
|
Return the current units setting for a PHA data set |
|
get_areascal |
|
Return the source or background pixel fractional area scale |
|
get_arf_plot |
|
Return the data and preferences defining an ARF plot |
|
get_arf |
|
Return a source ARF |
|
get_axes |
|
Return the alternate grid of a data set |
|
get_backscal |
|
Return the source or background extraction region area |
|
get_bkg_plot |
|
Return the data and preferences defining a background plot. |
|
get_bkg |
|
Return the background data, ARF, RMF, or model. |
|
get_chisqr_plot |
|
Return the data and preferences defining a chi^2 plot |
|
get_coord |
|
Return the coordinate system of an image |
|
get_counts |
|
Return the dependent variable array (e.g., counts) of a data set |
|
get_covar |
|
Return settings or results for the covariance method. |
|
get_data_plot |
|
Return a plot, contour, or image of the data, or the associated preferences |
|
get_data |
|
Return details of a Sherpa data set by ID. |
|
get_default_id |
|
Return the default data set ID in a Sherpa session. |
|
get_delchi_plot |
|
Return the data and preferences defining a delta chi plot |
|
get_dep |
|
Return the dependent variable array (e.g., counts) of a data set |
|
get_dims |
|
Return the length of the x-dimension of a data set |
|
get_error |
|
Return the total errors on the counts of a data set |
|
get_exposure |
|
Return the exposure time for a source or background data set |
|
get_filter |
|
Return the filter of a data set |
|
get_fit |
|
Return model fit information associated with a Sherpa data set. |
|
get_indep |
|
Return the independent variable array of a data set |
|
get_int_proj |
|
Return the confidence data defining an interval projection plot |
|
get_int_unc |
|
Return the confidence data defining an int_unc() plot |
|
get_method |
|
Return information on the optimization method |
|
get_model_autoassign_func |
|
Return the method for storing model identifiers |
|
get_model_plot |
|
Return a plot, contour, or image of a model, or the associated preferences |
|
get_model |
|
Return the model, model parameters, or model type |
|
get_num_par |
|
Returns the number of parameters (total, frozen, or thawed) in a model. |
|
get_order_plot |
|
Return the data and preferences defining a plot of model spectral orders |
|
get_par |
|
Returns a model parameter. |
|
get_pileup_model |
|
Return the pileup model associated with a data set. |
|
get_proj |
|
Return information regarding the projection method. |
|
get_psf |
|
Return PSF model data and plot, image, and contour preferences. |
|
get_rate |
|
Return the measured count rate of a data set |
|
get_ratio |
|
Return information on the ratio of data and model. |
|
get_reg_proj |
|
Return the confidence data defining a region projection contour plot |
|
get_reg_unc |
|
Return the confidence data defining a reg_unc() contour plot |
|
get_resid |
|
Return information on a contour plot of the residuals of data and model. |
|
get_rmf |
|
Return a Sherpa RMF data set by ID |
|
get_source |
|
Return the unconvolved model associated with a Sherpa data set ID. |
|
get_specresp |
|
Return the effective area of a PHA spectrum |
|
get_split_plot |
|
Return plot attributes for multiple plots |
|
get_staterror |
|
Return the statistical errors on the counts of a data set |
|
get_stat |
|
Return information on the fit statistic |
|
get_syserror |
|
Return the systematic errors on the counts of a data set |
|
group |
|
Enable and specify the grouping settings of a spectral data set |
|
guess |
|
Estimate initial parameter values and ranges |
|
histogram1d |
|
Create a 1D histogram from a binned grid and array of samples |
|
histogram2d |
|
Create a 2D histogram from a pair of axes and a pair of sample arrays |
|
hubblereynolds |
|
Hubble-Reynolds profile. |
|
igamc |
|
Calculate the compliment of the incomplete Gamma function (upper) |
|
igam |
|
Calculate the incomplete Gamma function (lower) |
|
ignore2d_id |
|
Apply an exclude region filter to 2-D data by data set ID(s). |
|
ignore2d |
|
Apply an exclude region filter to all 2-D data sets |
|
ignore_bad |
|
Ignore bins according to quality flags |
|
ignore_id |
|
Apply an exclude filter to 1-D data by data set ID |
|
ignore |
|
Apply an exclude filter to all 1D data sets |
|
image_close |
|
Close the imager window (i.e., exit ds9). |
|
image_data |
|
Send image of 2-D data to ds9. |
|
image_deleteframes |
|
Delete frames in the imager window (ds9). |
|
image_fit |
|
Send image of the fit results to ds9. |
|
image_getregion |
|
Returns a region description from ds9. |
|
image_model |
|
Send image of the model to ds9. |
|
image_open |
|
Open the imager window (i.e., start ds9). |
|
image_psf |
|
Send a PSF image to the imager (ds9). |
|
image_ratio |
|
Send image of the ratio (i.e., data/model) to ds9. |
|
image_resid |
|
Send image of the residuals (i.e., data - model) to ds9. |
|
image_setregion |
|
Sends a region description to ds9, where it is drawn in the current frame. |
|
image_source |
|
Image the 2-D unconvolved model |
|
image_xpaget |
|
Retrieve data from ds9 using XPA. |
|
image_xpaset |
|
Send data to ds9 using XPA. |
|
incbet |
|
Calculate the incomplete Beta function |
|
integrate |
|
Controlling the integration of model components |
|
int_proj |
|
Create a confidence plot of fit statistic vs. parameter value. |
|
int_unc |
|
Create a confidence plot of fit statistic vs. parameter value. |
|
jdpileup |
|
A CCD pileup model developed by John Davis of MIT. |
|
leastsq |
|
Chi-square statistic with variance set to 1. |
|
levmar |
|
Levenberg-Marquardt optimization method |
|
lgam |
|
Calculate the log of the Gamma function |
|
linebroad |
|
Line-broadening profile. |
|
link |
|
Link a model parameter to another model parameter. |
|
list_bkg_ids |
|
List all background IDs associated with a data set. |
|
list_data_ids |
|
List all data set IDs in a Sherpa session. |
|
list_functions |
|
List all available Sherpa functions |
|
list_methods |
|
List all Sherpa optimization methods. |
|
list_models |
|
List all Sherpa models. |
|
list_model_components |
|
List all models established in a Sherpa session. |
|
list_model_ids |
|
List all current model IDs. |
|
list_response_ids |
|
List all response IDs associated with a data set. |
|
list_stats |
|
List all Sherpa fit statistics. |
|
load_arf |
|
Load a source or background ARF |
|
load_arrays |
|
Load data from variables containing arrays. |
|
load_ascii |
|
Load ASCII data |
|
load_bkg_arf |
|
Load a background ARF |
|
load_bkg_rmf |
|
Load a background RMF |
|
load_bkg |
|
Load a PHA background spectrum |
|
load_data |
|
Load 1D data from a file |
|
load_image |
|
Load an image |
|
load_multi_arfs |
|
Load multiple ARFs |
|
load_multi_rmfs |
|
Load multiple RMFs |
|
load_pha |
|
Load PHA source spectra |
|
load_psf |
|
Load a PSF model |
|
load_rmf |
|
Load a source or background RMF |
|
load_table_model |
|
Load data into a table model |
|
load_table |
|
Load tabular data |
|
load_user_model |
|
Load a user-defined model |
|
log10 |
|
Logarithm function, base 10. |
|
log |
|
Natural logarithm function. |
|
lorentz1d |
|
1-D normalized Lorentzian function. |
|
lorentz2d |
|
2-D unnormalized Lorentzian function. |
|
models |
|
Summary of Available Models |
|
moncar |
|
Monte Carlo optimization method |
|
neldermead |
|
Nelder-Mead Simplex optimization method |
|
normbeta1d |
|
1-D normalized beta function. |
|
normgauss1d |
|
1-D normalized Gaussian function. |
|
notice2d_id |
|
Apply an include filter to 2D data by dataset id |
|
notice2d |
|
Apply an include filter to all 2D datasets |
|
notice_id |
|
Apply an include filter to 1D data by dataset id |
|
notice |
|
Apply an include filter to all 1D datasets |
|
pack_image |
|
Pack image data into an IMAGECrate |
|
pack_pha |
|
Pack PHA data into a PHACrate |
|
pack_table |
|
Pack tabular data into a TABLECrate |
|
plot_arf |
|
Plot an ARF |
|
plot_bkg |
|
Plot information about background data |
|
plot_chisqr |
|
Plot the chi-squared statistic |
|
plot_data |
|
Plot the dataset |
|
plot_delchi |
|
Plot the delchi residuals of the fit: (data-model)/error |
|
plot_fit |
|
Plot the fit, fit plus delta chi, or fit plus residuals |
|
plot_model |
|
Plot the convolved source model |
|
plot_order |
|
Plot the convolved source model by order |
|
plot_psf |
|
Plot the PSF |
|
plot_ratio |
|
Plot the (data/model) ratio |
|
plot_resid |
|
Plot the residuals of the fit: (data - model) |
|
plot_source |
|
Plot the unconvolved source model |
|
plot |
|
Plot multiple objects (data, model, residuals, etc.) |
|
poisson |
|
Poisson function. |
|
polynom1d |
|
1-D polynomial function. |
|
polynom2d |
|
2-D polynomial function. |
|
powlaw1d |
|
1-D power law. |
|
projection |
|
Estimate confidence intervals for selected thawed parameters based on projection method |
|
rebin |
|
Rebin a histogram |
|
reg_proj |
|
Create a confidence contour of fit statistic vs. two thawed parameter values. |
|
reg_unc |
|
Create a confidence contour of fit statistic vs. two thawed parameter values. |
|
reset |
|
Reset model parameter values after a fit |
|
restore |
|
Restore a previous Sherpa session from a file |
|
save_data |
|
Save a Sherpa data set to an ASCII file. |
|
save_image |
|
Save image data to a file |
|
save_pha |
|
Save a Sherpa data set to a PHA file. |
|
save_table |
|
Save a Sherpa data set to a FITS or ASCII file. |
|
save |
|
Save the current Sherpa session to a file |
|
schechter |
|
Schechter function. |
|
script |
|
Save every command typed in a Sherpa session to a file. |
|
set_analysis |
|
Set the units for spectral analysis |
|
set_areascal |
|
Set the fractional area |
|
set_arf |
|
Set an ARF dataset |
|
set_backscal |
|
Set the extraction region area |
|
set_bkg_model |
|
Set a background model expression |
|
set_bkg |
|
Set a background PHA dataset |
|
set_coord |
|
Set the image coordinate system |
|
set_counts |
|
Set the dependent variable (e.g. counts) of a dataset |
|
set_covar_opt |
|
Set the options for covariance |
|
set_data |
|
Set a source dataset |
|
set_default_id |
|
Set the default Sherpa data id |
|
set_exposure |
|
Set the exposure time |
|
set_grouping |
|
Apply user-defined grouping to a dataset |
|
set_method_opt |
|
Set the options of the chosen optimization method |
|
set_method |
|
Set the optimization method |
|
set_model_autoassign_func |
|
Define a method for storing model identifiers |
|
set_model |
|
Set the model expression to be used for fitting a dataset |
|
set_par |
|
Set initial values for a model parameter |
|
set_pileup_model |
|
Set a pileup model to be used in fitting a dataset |
|
set_proj_opt |
|
Set the options for projection |
|
set_psf |
|
Convolve the PSF model with the source model |
|
set_rmf |
|
Set an RMF dataset |
|
set_source |
|
Set the source model expression to be used for fitting a dataset |
|
set_staterror |
|
Set the statistical errors |
|
set_stat |
|
Set the statistical method |
|
set_syserror |
|
Set the systematic errors |
|
show_all |
|
Reports the current state of the Sherpa session |
|
show_covar |
|
Display the covariance information |
|
show_data |
|
Display the data sets |
|
show_filter |
|
Display the filters applied to a dataset |
|
show_fit |
|
Display the fit information |
|
show_method |
|
Display the optimization method |
|
show_model |
|
Display the convolved source model |
|
show_proj |
|
Display the projection information |
|
show_source |
|
Display the unconvolved source model |
|
show_stat |
|
Display the fit statistic |
|
sin |
|
Sine function. |
|
sqrt |
|
Square root function. |
|
stephi1d |
|
1-D step function. |
|
steplo1d |
|
1-D step function. |
|
subtract |
|
Perform background subtraction |
|
tablemodel |
|
Using an n-dimensional array of values as a model (table model). |
|
tan |
|
Tangent function. |
|
thaw |
|
Thaw model parameters so they vary during a fit |
|
ungroup |
|
Ungroup PHA data |
|
unlink |
|
Remove a link between model parameters |
|
unpack_arf |
|
Unpack an ARF from an ARFCrate |
|
unpack_arrays |
|
Unpack arrays from a CrateData object |
|
unpack_ascii |
|
Unpack ASCII data from a crate |
|
unpack_bkg |
|
Unpack PHA data from a PHACrate |
|
unpack_data |
|
Unpack a table data, ASCII data, or a spectrum from a crate |
|
unpack_image |
|
Unpack image data from an IMAGECrate |
|
unpack_pha |
|
Unpack PHA data from a PHACrate |
|
unpack_rmf |
|
Unpack an RMF from a crate |
|
unpack_table |
|
Unpack tabular data from a TABLECrate |
|
unsubtract |
|
Undo background subtraction |
|
xsabsori |
|
Ionized absorber. XSpec model. |
|
xsacisabs |
|
Decay in the ACIS quantum efficiency. XSpec model. |
|
xsapec |
|
APEC thermal plasma model. XSpec model. |
|
xsbapec |
|
APEC thermal plasma model with velocity broadening as a free parameter. XSpec model. |
|
xsbbodyrad |
|
Blackbody spectrum with norm proportional to surface area. XSpec model. |
|
xsbbody |
|
Blackbody spectrum. XSpec model. |
|
xsbexrav |
|
E-folded broken power law reflected from neutral matter. XSpec model. |
|
xsbexriv |
|
E-folded broken power law reflected from ionized matter. XSpec model. |
|
xsbkn2pow |
|
Broken power law, two break energies. XSpec model. |
|
xsbknpower |
|
Broken power law. XSpec model. |
|
xsbmc |
|
Comptonization by relativistically moving matter. XSpec model. |
|
xsbremss |
|
Thermal bremsstrahlung. XSpec model. |
|
xsbvapec |
|
APEC thermal plasma model with variable abundances and velocity broadening as a free parameter. XSpec model. |
|
xsc6mekl |
|
6th-order Chebyshev polynomial DEM using mekal. XSpec model. |
|
xsc6pmekl |
|
Exponential of 6th-order Chebyshev polyn. DEM using mekal. XSpec model. |
|
xsc6pvmkl |
|
Variable abundance version of c6pmekl. XSpec model. |
|
xsc6vmekl |
|
Variable abundance version of c6mekl. XSpec model. |
|
xscabs |
|
Compton scattering (non-relativistic). XSpec model. |
|
xscemekl |
|
Multi-temperature mekal. XSpec model. |
|
xscevmkl |
|
Multi-temperature vmeka. XSpec model. |
|
xscflow |
|
Cooling flow model. XSpec model. |
|
xscompbb |
|
Comptonized blackbody spectrum after Nishimura et al. (1986). XSpec model. |
|
xscompls |
|
Comptonization spectrum after Lamb and Sanford (1979). XSpec model. |
|
xscompps |
|
Comptonization, Poutanen and Svenson. XSpec model. |
|
xscompst |
|
Comptonization spectrum after Sunyaev and Titarchuk (1980). XSpec model. |
|
xscomptt |
|
Comptonization spectrum after Titarchuk (1994). XSpec model. |
|
xsconstant |
|
Energy-independent multiplicative factor. XSpec model. |
|
xscutoffpl |
|
Power law with high energy exponential cutoff. XSpec model. |
|
xscyclabs |
|
Cyclotron absorption line. XSpec model. |
|
xsdiskbb |
|
Multiple blackbody disk model. XSpec model. |
|
xsdiskir |
|
Irradiated inner and outer disk. XSpec model. |
|
xsdiskline |
|
Line emission from relativistic accretion disk. XSpec model. |
|
xsdiskm |
|
Disk model with gas pressure viscosity. XSpec model. |
|
xsdisko |
|
Modified blackbody disk model. XSpec model. |
|
xsdiskpbb |
|
Accretion disk, power-law dependence for T(r). XSpec model. |
|
xsdiskpn |
|
Accretion disk around a black hole. XSpec model. |
|
xsdisk |
|
Disk model. XSpec model. |
|
xsdust |
|
Dust scattering out of the beam. XSpec model. |
|
xsedge |
|
Absorption edge. XSpec model. |
|
xsequil |
|
Equilibrium ionization collisional plasma model from Borkowski. XSpec model. |
|
xsexpabs |
|
Low-energy exponential cutoff. XSpec model. |
|
xsexpdec |
|
An exponential decay. XSpec model. |
|
xsexpfac |
|
Exponential factor. XSpec model. |
|
xsezdiskbb |
|
Multiple blackbody disk model with zero-torque inner boundary. XSpec model. |
|
xsgabs |
|
A multiplicative gaussian absorption line. XSpec model. |
|
xsgaussian |
|
Simple gaussian line profile. XSpec model. |
|
xsgnei |
|
Generalized single ionization NEI plasma model. XSpec model. |
|
xsgrad |
|
GR accretion disk around a black hole. XSpec model. |
|
xsgrbm |
|
Gamma-ray burst model. XSpec model. |
|
xshighecut |
|
High energy cutoff. XSpec model. |
|
xshrefl |
|
Simple reflection model good up to 15 keV. XSpec model. |
|
xskerrbb |
|
Multi-temperature blackbody model for thin accretion disk around a Kerr black hole. XSpec model. |
|
xskerrdisk |
|
Accretion disk line emission with BH spin as free parameter. XSpec model. |
|
xskerrd |
|
Optically thick accretion disk around a Kerr black hole. XSpec model. |
|
xslaor2 |
|
Accretion disk with broken-power law emissivity profile, black hole emission line. XSpec model. |
|
xslaor |
|
Line from accretion disk around a black hole. XSpec model. |
|
xslorentz |
|
Lorentzian line profile. XSpec model. |
|
xsmekal |
|
Mewe-Kaastra-Liedahl thermal plasma (1995). XSpec model. |
|
xsmeka |
|
Mewe-Gronenschild-Kaastra thermal plasma (1992). XSpec model. |
|
xsmkcflow |
|
Cooling flow model based on mekal. XSpec model. |
|
xsnei |
|
Simple nonequilibrium ionization plasma model. XSpec model. |
|
xsnotch |
|
Notch line absorption. XSpec model. |
|
xsnpshock |
|
Plane-parallel shock with ion and electron temperatures. XSpec model. |
|
xsnsagrav |
|
NS H atmosphere model for different g. XSpec model. |
|
xsnsatmos |
|
NS Hydrogen Atmosphere model with electron conduction and self-irradiation. XSpec model. |
|
xsnsa |
|
Spectra in the X-ray range (0.05-10 keV) emitted from a hydrogen atmosphere of a neutron star. XSpec model. |
|
xsnsmax |
|
Neutron Star Magnetic Atmosphere. XSpec model. |
|
xsnteea |
|
Pair plasma model. XSpec model. |
|
xsnthcomp |
|
Thermally comptonized continuum. XSpec model. |
|
xspcfabs |
|
Partial covering fraction absorption. XSpec model. |
|
xspegpwrlw |
|
Power law with pegged normalization. XSpec model. |
|
xspexrav |
|
Exponentially cutoff power law reflected from neutral matter. XSpec model. |
|
xspexriv |
|
Exponentially cutoff power law reflected from ionized matter. XSpec model. |
|
xsphabs |
|
Photo-electric absorption. XSpec model. |
|
xsplabs |
|
Absorption model with power law dependence on energy. XSpec model. |
|
xsplcabs |
|
Cutoff power law observed through dense, cold matter. XSpec model. |
|
xsposm |
|
Positronium continuum. XSpec model. |
|
xspowerlaw |
|
Simple photon power law. XSpec model. |
|
xspshock |
|
Constant temperature, plane-parallel shock plasma model. XSpec model. |
|
xspwab |
|
An extension of partial covering fraction absorption into a power-law distribution of covering fraction. XSpec model. |
|
xsraymond |
|
Raymond-Smith thermal plasma. XSpec model. |
|
xsredden |
|
IR/optical/UV extinction from Cardelli et al. (1989). XSpec model. |
|
xsredge |
|
Recombination edge. XSpec model. |
|
xsrefsch |
|
E-folded power law reflected from an ionized relativistic disk. XSpec model. |
|
xssedov |
|
Sedov model with electron and ion temperatures. XSpec model. |
|
xssmedge |
|
Smoothed absorption edge. XSpec model. |
|
xsspexpcut |
|
Super-exponential cutoff absorption. XSpec model. |
|
xsspline |
|
Spline multiplicative factor. XSpec model. |
|
xssrcut |
|
Synchrotron radiation from cutoff electron distribution. XSpec model. |
|
xssresc |
|
Synchrotron radiation from escape-limited electron distribution. XSpec model. |
|
xssss_ice |
|
Einstein SSS ice absorption. XSpec model. |
|
xsstep |
|
Step function convolved with gaussian. XSpec model. |
|
xsswind1 |
|
Absorption by partially ionized material with large velocity shear. XSpec model. |
|
xstbabs |
|
Calculates the absorption of X-rays by the ISM. XSpec model. |
|
xstbgrain |
|
Calculates the absorption of X-rays by the ISM with variable hydrogen to H2 ratio and grain parameters. XSpec model. |
|
xstbvarabs |
|
Calculates the absorption of X-rays by the ISM, allowing user to vary all abundances, depletion factors, and grain properties. XSpec model. |
|
xsuvred |
|
UV reddening. XSpec model. |
|
xsvapec |
|
APEC thermal plasma model with variable abundances. XSpec model. |
|
xsvarabs |
|
Photoelectric absorption with variable abundances. XSpec model. |
|
xsvbremss |
|
Thermal bremsstrahlung spectrum with variable H/He. XSpec model. |
|
xsvequil |
|
Ionization equilibrium collisional plasma model with variable abundances. XSpec model. |
|
xsvgnei |
|
Non-equilibrium ionization collisional plasma model with variable abundances. XSpec model. |
|
xsvmcflow |
|
Cooling flow model based on vmekal. XSpec model. |
|
xsvmekal |
|
M-K-L thermal plasma with variable abundances. XSpec model. |
|
xsvmeka |
|
M-G-K thermal plasma with variable abundances. XSpec model. |
|
xsvnei |
|
Non-equilibrium ionization collisional plasma model with variable abundances. XSpec model. |
|
xsvnpshock |
|
Plane-parallel shock plasma model with separate ion and electron temperatures and variable abundances. XSpec model. |
|
xsvphabs |
|
Photoelectric absorption with variable abundances. XSpec model. |
|
xsvpshock |
|
Constant temperature, plane-parallel shock plasma model with variable abundances. XSpec model. |
|
xsvraymond |
|
Raymond-Smith thermal plasma with variable abundances. XSpec model. |
|
xsvsedov |
|
Sedov model with separate ion and electron temperatures and variable abundances. XSpec model. |
|
xswabs |
|
Photoelectric absorption (Morrison and McCammon). XSpec model. |
|
xswndabs |
|
Photoelectric absorption with low energy window. XSpec model. |
|
xsxion |
|
Reflected spectra of a photo-ionized accretion disk or ring. XSpec model. |
|
xszbbody |
|
Redshifted blackbody. XSpec model. |
|
xszbremss |
|
Redshifted thermal bremsstrahlung. XSpec model. |
|
xszdust |
|
Extinction by dust grains. XSpec model. |
|
xszedge |
|
Redshifted absorption edge. XSpec model. |
|
xszgauss |
|
Redshifted gaussian. XSpec model. |
|
xszhighect |
|
Redshifted high energy cutoff. XSpec model. |
|
xszpcfabs |
|
Redshifted partial covering absorption. XSpec model. |
|
xszphabs |
|
Redshifted photoelectric absorption. XSpec model. |
|
xszpowerlw |
|
Redshifted power law. XSpec model. |
|
xszredden |
|
Redshifted version of redden. XSpec model. |
|
xszsmdust |
|
Extinction by dust grains in starburst galaxies. XSpec model. |
|
xsztbabs |
|
Calculates the absorption of X-rays by the ISM for modeling redshifted absorption. Does not include a dust component. XSpec model. |
|
xszvarabs |
|
Redshifted photoelectric absorption with variable abundances. XSpec model. |
|
xszvfeabs |
|
Redshifted absorption with variable iron abundance. XSpec model. |
|
xszvphabs |
|
Redshifted photoelectric absorption with variable abundances. XSpec model. |
|
xszwabs |
|
Redshifted "Wisconsin absorption." XSpec model. |
|
xszwndabs |
|
Redshifted photoelectric absorption with low energy window. XSpec model. |
|
xszxipcf |
|
Partial covering absorption by partially ionized material. XSpec model. |
|
xs |
|
XSpec model functions. |
|
| sherpa |
|
sherparc |
|
The .sherpa.rc file provides user-configuration options for Sherpa |
|
sherpa |
|
Introduction to Sherpa, the CIAO modeling and fitting package |
|
| sl.sherpa |
|
add_user_pars |
|
Add parameters to a user-defined model |
|
atten |
|
Attenuation by ISM. |
|
bbodyfreq |
|
Blackbody as a function of frequency. |
|
bbody |
|
Blackbody as a function of energy. |
|
beta1d |
|
1-D surface brightness beta-model. |
|
beta2d |
|
2-D Lorentzian with varying power law. |
|
box1d |
|
1-D box function. |
|
box2d |
|
2-D box function. |
|
bpl1d |
|
Broken power law function. |
|
calc_chisqr |
|
Calculate the Chi Squared statistic contribution per bin |
|
calc_data_sum2d |
|
Calculate the sum of observed image counts |
|
calc_data_sum |
|
Calculate the sum of observed data counts |
|
calc_energy_flux |
|
Calculate the unconvolved model energy flux |
|
calc_ftest |
|
Calculate the significance using the F test |
|
calc_kcorr |
|
Calculate the k correction |
|
calc_mlr |
|
Calculate the Maximum Likelihood Ratio test |
|
calc_model_sum2d |
|
Calculate the convolved 2D model amplitudes |
|
calc_model_sum |
|
Calculate the sum of convolved model counts |
|
calc_photon_flux |
|
Calculate the unconvolved model photon flux |
|
calc_source_sum2d |
|
Calculate the unconvolved 2D model amplitudes |
|
calc_source_sum |
|
Calculate the sum of unconvolved model amplitudes |
|
calc_stat |
|
Calculate the fit statistic by data set ID |
|
cash |
|
A maximum likelihood function. |
|
chi2constvar |
|
Chi-square statistic with constant variance computed from the counts data. |
|
chi2datavar |
|
Chi-square statistic with variance computed from the data. |
|
chi2gehrels |
|
Chi-square statistic with the Gehrels variance function. |
|
chi2modvar |
|
Chi-square statistic with variance computed from model amplitudes. |
|
chi2xspecvar |
|
Chi-square statistic with variance computed from data amplitudes. |
|
chisquare |
|
About the chi-square statistic. |
|
clean |
|
Erase data and model settings in a Sherpa session |
|
const1d |
|
1-D constant amplitude model. |
|
const2d |
|
2-D constant amplitude model. |
|
contour_data |
|
Open a contour plot of a data set in ChIPS |
|
contour_fit_resid |
|
Create a contour plot of the fit and residuals |
|
contour_fit |
|
Send a contour plot of the fit |
|
contour_model |
|
Open a contour plot of a data set model in ChIPS |
|
contour_psf |
|
Create a contour plot of a PSF |
|
contour_ratio |
|
Open a contour plot of a data-to-model ratio in ChIPS |
|
contour_resid |
|
Open a contour plot of data-minus-model residuals in ChIPS |
|
contour_source |
|
Create a contour plot of the source |
|
contour |
|
Open a contour plot in ChIPS |
|
copy_data |
|
Copy a data set by data ID to a new data ID (deep copy) |
|
cos |
|
Cosine function. |
|
covariance |
|
Estimate confidence intervals for selected thawed parameters based on covariance method |
|
create_model_component |
|
Create a new model component |
|
cstat |
|
A maximum likelihood function |
|
dataspace1d |
|
Create a blank 1D dataset |
|
dataspace2d |
|
Create a blank 2D dataset |
|
delete_bkg_model |
|
Delete a background model |
|
delete_data |
|
Delete a data set by ID |
|
delete_model_component |
|
Delete a model component |
|
delete_model |
|
Delete a Sherpa model by model ID |
|
delete_psf |
|
Delete a PSF model |
|
delta1d |
|
1-D delta function. |
|
delta2d |
|
2-D delta function. |
|
dered |
|
Dereddening function. |
|
devaucouleurs2d |
|
DeVaucouleurs profile. |
|
edge |
|
Photoabsorption edge model. |
|
eqwidth |
|
Calculate the equivalent width of an emission or absorption line. |
|
erfc |
|
A 1-D complementary error function. |
|
erf |
|
A 1-D error function. |
|
exp10 |
|
Exponential function, base 10. |
|
exp |
|
Exponential function. |
|
fake_pha |
|
Simulate a PHA dataset with faked counts using Poisson noise |
|
fit |
|
Perform a fit using current optimization method and fit statistic. |
|
freeze |
|
Freeze model parameters, so they do not vary during a fit. |
|
gamma |
|
Calculate the Gamma function |
|
gauss1d |
|
1-D unnormalized Gaussian function. |
|
gauss2d |
|
2-D unnormalized Gaussian function. |
|
get_analysis |
|
Return the current units setting for a PHA data set |
|
get_areascal |
|
Return the source or background pixel fractional area scale |
|
get_arf_plot |
|
Return the data and preferences defining an ARF plot |
|
get_arf |
|
Return a source ARF |
|
get_axes |
|
Return the alternate grid of a data set |
|
get_backscal |
|
Return the source or background extraction region area |
|
get_bkg_plot |
|
Return the data and preferences defining a background plot. |
|
get_bkg |
|
Return the background data, ARF, RMF, or model. |
|
get_chisqr_plot |
|
Return the data and preferences defining a chi^2 plot |
|
get_coord |
|
Return the coordinate system of an image |
|
get_counts |
|
Return the dependent variable array (e.g., counts) of a data set |
|
get_covar |
|
Return settings or results for the covariance method. |
|
get_data_plot |
|
Return a plot, contour, or image of the data, or the associated preferences |
|
get_data |
|
Return details of a Sherpa data set by ID. |
|
get_default_id |
|
Return the default data set ID in a Sherpa session. |
|
get_delchi_plot |
|
Return the data and preferences defining a delta chi plot |
|
get_dep |
|
Return the dependent variable array (e.g., counts) of a data set |
|
get_dims |
|
Return the length of the x-dimension of a data set |
|
get_error |
|
Return the total errors on the counts of a data set |
|
get_exposure |
|
Return the exposure time for a source or background data set |
|
get_filter |
|
Return the filter of a data set |
|
get_fit |
|
Return model fit information associated with a Sherpa data set. |
|
get_indep |
|
Return the independent variable array of a data set |
|
get_int_proj |
|
Return the confidence data defining an interval projection plot |
|
get_int_unc |
|
Return the confidence data defining an int_unc() plot |
|
get_method |
|
Return information on the optimization method |
|
get_model_autoassign_func |
|
Return the method for storing model identifiers |
|
get_model_plot |
|
Return a plot, contour, or image of a model, or the associated preferences |
|
get_model |
|
Return the model, model parameters, or model type |
|
get_num_par |
|
Returns the number of parameters (total, frozen, or thawed) in a model. |
|
get_order_plot |
|
Return the data and preferences defining a plot of model spectral orders |
|
get_par |
|
Returns a model parameter. |
|
get_pileup_model |
|
Return the pileup model associated with a data set. |
|
get_proj |
|
Return information regarding the projection method. |
|
get_psf |
|
Return PSF model data and plot, image, and contour preferences. |
|
get_rate |
|
Return the measured count rate of a data set |
|
get_ratio |
|
Return information on the ratio of data and model. |
|
get_reg_proj |
|
Return the confidence data defining a region projection contour plot |
|
get_reg_unc |
|
Return the confidence data defining a reg_unc() contour plot |
|
get_resid |
|
Return information on a contour plot of the residuals of data and model. |
|
get_rmf |
|
Return a Sherpa RMF data set by ID |
|
get_source |
|
Return the unconvolved model associated with a Sherpa data set ID. |
|
get_specresp |
|
Return the effective area of a PHA spectrum |
|
get_split_plot |
|
Return plot attributes for multiple plots |
|
get_staterror |
|
Return the statistical errors on the counts of a data set |
|
get_stat |
|
Return information on the fit statistic |
|
get_syserror |
|
Return the systematic errors on the counts of a data set |
|
group |
|
Enable and specify the grouping settings of a spectral data set |
|
guess |
|
Estimate initial parameter values and ranges |
|
histogram1d |
|
Create a 1D histogram from a binned grid and array of samples |
|
histogram2d |
|
Create a 2D histogram from a pair of axes and a pair of sample arrays |
|
hubblereynolds |
|
Hubble-Reynolds profile. |
|
igamc |
|
Calculate the compliment of the incomplete Gamma function (upper) |
|
igam |
|
Calculate the incomplete Gamma function (lower) |
|
ignore2d_id |
|
Apply an exclude region filter to 2-D data by data set ID(s). |
|
ignore2d |
|
Apply an exclude region filter to all 2-D data sets |
|
ignore_bad |
|
Ignore bins according to quality flags |
|
ignore_id |
|
Apply an exclude filter to 1-D data by data set ID |
|
ignore |
|
Apply an exclude filter to all 1D data sets |
|
image_close |
|
Close the imager window (i.e., exit ds9). |
|
image_data |
|
Send image of 2-D data to ds9. |
|
image_deleteframes |
|
Delete frames in the imager window (ds9). |
|
image_fit |
|
Send image of the fit results to ds9. |
|
image_getregion |
|
Returns a region description from ds9. |
|
image_model |
|
Send image of the model to ds9. |
|
image_open |
|
Open the imager window (i.e., start ds9). |
|
image_psf |
|
Send a PSF image to the imager (ds9). |
|
image_ratio |
|
Send image of the ratio (i.e., data/model) to ds9. |
|
image_resid |
|
Send image of the residuals (i.e., data - model) to ds9. |
|
image_setregion |
|
Sends a region description to ds9, where it is drawn in the current frame. |
|
image_source |
|
Image the 2-D unconvolved model |
|
image_xpaget |
|
Retrieve data from ds9 using XPA. |
|
image_xpaset |
|
Send data to ds9 using XPA. |
|
incbet |
|
Calculate the incomplete Beta function |
|
integrate |
|
Controlling the integration of model components |
|
int_proj |
|
Create a confidence plot of fit statistic vs. parameter value. |
|
int_unc |
|
Create a confidence plot of fit statistic vs. parameter value. |
|
jdpileup |
|
A CCD pileup model developed by John Davis of MIT. |
|
leastsq |
|
Chi-square statistic with variance set to 1. |
|
levmar |
|
Levenberg-Marquardt optimization method |
|
lgam |
|
Calculate the log of the Gamma function |
|
linebroad |
|
Line-broadening profile. |
|
link |
|
Link a model parameter to another model parameter. |
|
list_bkg_ids |
|
List all background IDs associated with a data set. |
|
list_data_ids |
|
List all data set IDs in a Sherpa session. |
|
list_functions |
|
List all available Sherpa functions |
|
list_methods |
|
List all Sherpa optimization methods. |
|
list_models |
|
List all Sherpa models. |
|
list_model_components |
|
List all models established in a Sherpa session. |
|
list_model_ids |
|
List all current model IDs. |
|
list_response_ids |
|
List all response IDs associated with a data set. |
|
list_stats |
|
List all Sherpa fit statistics. |
|
load_arf |
|
Load a source or background ARF |
|
load_arrays |
|
Load data from variables containing arrays. |
|
load_ascii |
|
Load ASCII data |
|
load_bkg_arf |
|
Load a background ARF |
|
load_bkg_rmf |
|
Load a background RMF |
|
load_bkg |
|
Load a PHA background spectrum |
|
load_data |
|
Load 1D data from a file |
|
load_image |
|
Load an image |
|
load_multi_arfs |
|
Load multiple ARFs |
|
load_multi_rmfs |
|
Load multiple RMFs |
|
load_pha |
|
Load PHA source spectra |
|
load_psf |
|
Load a PSF model |
|
load_rmf |
|
Load a source or background RMF |
|
load_table_model |
|
Load data into a table model |
|
load_table |
|
Load tabular data |
|
load_user_model |
|
Load a user-defined model |
|
log10 |
|
Logarithm function, base 10. |
|
log |
|
Natural logarithm function. |
|
lorentz1d |
|
1-D normalized Lorentzian function. |
|
lorentz2d |
|
2-D unnormalized Lorentzian function. |
|
models |
|
Summary of Available Models |
|
moncar |
|
Monte Carlo optimization method |
|
neldermead |
|
Nelder-Mead Simplex optimization method |
|
normbeta1d |
|
1-D normalized beta function. |
|
normgauss1d |
|
1-D normalized Gaussian function. |
|
notice2d_id |
|
Apply an include filter to 2D data by dataset id |
|
notice2d |
|
Apply an include filter to all 2D datasets |
|
notice_id |
|
Apply an include filter to 1D data by dataset id |
|
notice |
|
Apply an include filter to all 1D datasets |
|
pack_image |
|
Pack image data into an IMAGECrate |
|
pack_pha |
|
Pack PHA data into a PHACrate |
|
pack_table |
|
Pack tabular data into a TABLECrate |
|
plot_arf |
|
Plot an ARF |
|
plot_bkg |
|
Plot information about background data |
|
plot_chisqr |
|
Plot the chi-squared statistic |
|
plot_data |
|
Plot the dataset |
|
plot_delchi |
|
Plot the delchi residuals of the fit: (data-model)/error |
|
plot_fit |
|
Plot the fit, fit plus delta chi, or fit plus residuals |
|
plot_model |
|
Plot the convolved source model |
|
plot_order |
|
Plot the convolved source model by order |
|
plot_psf |
|
Plot the PSF |
|
plot_ratio |
|
Plot the (data/model) ratio |
|
plot_resid |
|
Plot the residuals of the fit: (data - model) |
|
plot_source |
|
Plot the unconvolved source model |
|
plot |
|
Plot multiple objects (data, model, residuals, etc.) |
|
poisson |
|
Poisson function. |
|
polynom1d |
|
1-D polynomial function. |
|
polynom2d |
|
2-D polynomial function. |
|
powlaw1d |
|
1-D power law. |
|
projection |
|
Estimate confidence intervals for selected thawed parameters based on projection method |
|
rebin |
|
Rebin a histogram |
|
reg_proj |
|
Create a confidence contour of fit statistic vs. two thawed parameter values. |
|
reg_unc |
|
Create a confidence contour of fit statistic vs. two thawed parameter values. |
|
reset |
|
Reset model parameter values after a fit |
|
restore |
|
Restore a previous Sherpa session from a file |
|
save_data |
|
Save a Sherpa data set to an ASCII file. |
|
save_image |
|
Save image data to a file |
|
save_pha |
|
Save a Sherpa data set to a PHA file. |
|
save_table |
|
Save a Sherpa data set to a FITS or ASCII file. |
|
save |
|
Save the current Sherpa session to a file |
|
schechter |
|
Schechter function. |
|
script |
|
Save every command typed in a Sherpa session to a file. |
|
set_analysis |
|
Set the units for spectral analysis |
|
set_areascal |
|
Set the fractional area |
|
set_arf |
|
Set an ARF dataset |
|
set_backscal |
|
Set the extraction region area |
|
set_bkg_model |
|
Set a background model expression |
|
set_bkg |
|
Set a background PHA dataset |
|
set_coord |
|
Set the image coordinate system |
|
set_counts |
|
Set the dependent variable (e.g. counts) of a dataset |
|
set_covar_opt |
|
Set the options for covariance |
|
set_data |
|
Set a source dataset |
|
set_default_id |
|
Set the default Sherpa data id |
|
set_exposure |
|
Set the exposure time |
|
set_grouping |
|
Apply user-defined grouping to a dataset |
|
set_method_opt |
|
Set the options of the chosen optimization method |
|
set_method |
|
Set the optimization method |
|
set_model_autoassign_func |
|
Define a method for storing model identifiers |
|
set_model |
|
Set the model expression to be used for fitting a dataset |
|
set_par |
|
Set initial values for a model parameter |
|
set_pileup_model |
|
Set a pileup model to be used in fitting a dataset |
|
set_proj_opt |
|
Set the options for projection |
|
set_psf |
|
Convolve the PSF model with the source model |
|
set_rmf |
|
Set an RMF dataset |
|
set_source |
|
Set the source model expression to be used for fitting a dataset |
|
set_staterror |
|
Set the statistical errors |
|
set_stat |
|
Set the statistical method |
|
set_syserror |
|
Set the systematic errors |
|
show_all |
|
Reports the current state of the Sherpa session |
|
show_covar |
|
Display the covariance information |
|
show_data |
|
Display the data sets |
|
show_filter |
|
Display the filters applied to a dataset |
|
show_fit |
|
Display the fit information |
|
show_method |
|
Display the optimization method |
|
show_model |
|
Display the convolved source model |
|
show_proj |
|
Display the projection information |
|
show_source |
|
Display the unconvolved source model |
|
show_stat |
|
Display the fit statistic |
|
sin |
|
Sine function. |
|
sqrt |
|
Square root function. |
|
stephi1d |
|
1-D step function. |
|
steplo1d |
|
1-D step function. |
|
subtract |
|
Perform background subtraction |
|
tablemodel |
|
Using an n-dimensional array of values as a model (table model). |
|
tan |
|
Tangent function. |
|
thaw |
|
Thaw model parameters so they vary during a fit |
|
ungroup |
|
Ungroup PHA data |
|
unlink |
|
Remove a link between model parameters |
|
unpack_arf |
|
Unpack an ARF from an ARFCrate |
|
unpack_arrays |
|
Unpack arrays from a CrateData object |
|
unpack_ascii |
|
Unpack ASCII data from a crate |
|
unpack_bkg |
|
Unpack PHA data from a PHACrate |
|
unpack_data |
|
Unpack a table data, ASCII data, or a spectrum from a crate |
|
unpack_image |
|
Unpack image data from an IMAGECrate |
|
unpack_pha |
|
Unpack PHA data from a PHACrate |
|
unpack_rmf |
|
Unpack an RMF from a crate |
|
unpack_table |
|
Unpack tabular data from a TABLECrate |
|
unsubtract |
|
Undo background subtraction |
|
xsabsori |
|
Ionized absorber. XSpec model. |
|
xsacisabs |
|
Decay in the ACIS quantum efficiency. XSpec model. |
|
xsapec |
|
APEC thermal plasma model. XSpec model. |
|
xsbapec |
|
APEC thermal plasma model with velocity broadening as a free parameter. XSpec model. |
|
xsbbodyrad |
|
Blackbody spectrum with norm proportional to surface area. XSpec model. |
|
xsbbody |
|
Blackbody spectrum. XSpec model. |
|
xsbexrav |
|
E-folded broken power law reflected from neutral matter. XSpec model. |
|
xsbexriv |
|
E-folded broken power law reflected from ionized matter. XSpec model. |
|
xsbkn2pow |
|
Broken power law, two break energies. XSpec model. |
|
xsbknpower |
|
Broken power law. XSpec model. |
|
xsbmc |
|
Comptonization by relativistically moving matter. XSpec model. |
|
xsbremss |
|
Thermal bremsstrahlung. XSpec model. |
|
xsbvapec |
|
APEC thermal plasma model with variable abundances and velocity broadening as a free parameter. XSpec model. |
|
xsc6mekl |
|
6th-order Chebyshev polynomial DEM using mekal. XSpec model. |
|
xsc6pmekl |
|
Exponential of 6th-order Chebyshev polyn. DEM using mekal. XSpec model. |
|
xsc6pvmkl |
|
Variable abundance version of c6pmekl. XSpec model. |
|
xsc6vmekl |
|
Variable abundance version of c6mekl. XSpec model. |
|
xscabs |
|
Compton scattering (non-relativistic). XSpec model. |
|
xscemekl |
|
Multi-temperature mekal. XSpec model. |
|
xscevmkl |
|
Multi-temperature vmeka. XSpec model. |
|
xscflow |
|
Cooling flow model. XSpec model. |
|
xscompbb |
|
Comptonized blackbody spectrum after Nishimura et al. (1986). XSpec model. |
|
xscompls |
|
Comptonization spectrum after Lamb and Sanford (1979). XSpec model. |
|
xscompps |
|
Comptonization, Poutanen and Svenson. XSpec model. |
|
xscompst |
|
Comptonization spectrum after Sunyaev and Titarchuk (1980). XSpec model. |
|
xscomptt |
|
Comptonization spectrum after Titarchuk (1994). XSpec model. |
|
xsconstant |
|
Energy-independent multiplicative factor. XSpec model. |
|
xscutoffpl |
|
Power law with high energy exponential cutoff. XSpec model. |
|
xscyclabs |
|
Cyclotron absorption line. XSpec model. |
|
xsdiskbb |
|
Multiple blackbody disk model. XSpec model. |
|
xsdiskir |
|
Irradiated inner and outer disk. XSpec model. |
|
xsdiskline |
|
Line emission from relativistic accretion disk. XSpec model. |
|
xsdiskm |
|
Disk model with gas pressure viscosity. XSpec model. |
|
xsdisko |
|
Modified blackbody disk model. XSpec model. |
|
xsdiskpbb |
|
Accretion disk, power-law dependence for T(r). XSpec model. |
|
xsdiskpn |
|
Accretion disk around a black hole. XSpec model. |
|
xsdisk |
|
Disk model. XSpec model. |
|
xsdust |
|
Dust scattering out of the beam. XSpec model. |
|
xsedge |
|
Absorption edge. XSpec model. |
|
xsequil |
|
Equilibrium ionization collisional plasma model from Borkowski. XSpec model. |
|
xsexpabs |
|
Low-energy exponential cutoff. XSpec model. |
|
xsexpdec |
|
An exponential decay. XSpec model. |
|
xsexpfac |
|
Exponential factor. XSpec model. |
|
xsezdiskbb |
|
Multiple blackbody disk model with zero-torque inner boundary. XSpec model. |
|
xsgabs |
|
A multiplicative gaussian absorption line. XSpec model. |
|
xsgaussian |
|
Simple gaussian line profile. XSpec model. |
|
xsgnei |
|
Generalized single ionization NEI plasma model. XSpec model. |
|
xsgrad |
|
GR accretion disk around a black hole. XSpec model. |
|
xsgrbm |
|
Gamma-ray burst model. XSpec model. |
|
xshighecut |
|
High energy cutoff. XSpec model. |
|
xshrefl |
|
Simple reflection model good up to 15 keV. XSpec model. |
|
xskerrbb |
|
Multi-temperature blackbody model for thin accretion disk around a Kerr black hole. XSpec model. |
|
xskerrdisk |
|
Accretion disk line emission with BH spin as free parameter. XSpec model. |
|
xskerrd |
|
Optically thick accretion disk around a Kerr black hole. XSpec model. |
|
xslaor2 |
|
Accretion disk with broken-power law emissivity profile, black hole emission line. XSpec model. |
|
xslaor |
|
Line from accretion disk around a black hole. XSpec model. |
|
xslorentz |
|
Lorentzian line profile. XSpec model. |
|
xsmekal |
|
Mewe-Kaastra-Liedahl thermal plasma (1995). XSpec model. |
|
xsmeka |
|
Mewe-Gronenschild-Kaastra thermal plasma (1992). XSpec model. |
|
xsmkcflow |
|
Cooling flow model based on mekal. XSpec model. |
|
xsnei |
|
Simple nonequilibrium ionization plasma model. XSpec model. |
|
xsnotch |
|
Notch line absorption. XSpec model. |
|
xsnpshock |
|
Plane-parallel shock with ion and electron temperatures. XSpec model. |
|
xsnsagrav |
|
NS H atmosphere model for different g. XSpec model. |
|
xsnsatmos |
|
NS Hydrogen Atmosphere model with electron conduction and self-irradiation. XSpec model. |
|
xsnsa |
|
Spectra in the X-ray range (0.05-10 keV) emitted from a hydrogen atmosphere of a neutron star. XSpec model. |
|
xsnsmax |
|
Neutron Star Magnetic Atmosphere. XSpec model. |
|
xsnteea |
|
Pair plasma model. XSpec model. |
|
xsnthcomp |
|
Thermally comptonized continuum. XSpec model. |
|
xspcfabs |
|
Partial covering fraction absorption. XSpec model. |
|
xspegpwrlw |
|
Power law with pegged normalization. XSpec model. |
|
xspexrav |
|
Exponentially cutoff power law reflected from neutral matter. XSpec model. |
|
xspexriv |
|
Exponentially cutoff power law reflected from ionized matter. XSpec model. |
|
xsphabs |
|
Photo-electric absorption. XSpec model. |
|
xsplabs |
|
Absorption model with power law dependence on energy. XSpec model. |
|
xsplcabs |
|
Cutoff power law observed through dense, cold matter. XSpec model. |
|
xsposm |
|
Positronium continuum. XSpec model. |
|
xspowerlaw |
|
Simple photon power law. XSpec model. |
|
xspshock |
|
Constant temperature, plane-parallel shock plasma model. XSpec model. |
|
xspwab |
|
An extension of partial covering fraction absorption into a power-law distribution of covering fraction. XSpec model. |
|
xsraymond |
|
Raymond-Smith thermal plasma. XSpec model. |
|
xsredden |
|
IR/optical/UV extinction from Cardelli et al. (1989). XSpec model. |
|
xsredge |
|
Recombination edge. XSpec model. |
|
xsrefsch |
|
E-folded power law reflected from an ionized relativistic disk. XSpec model. |
|
xssedov |
|
Sedov model with electron and ion temperatures. XSpec model. |
|
xssmedge |
|
Smoothed absorption edge. XSpec model. |
|
xsspexpcut |
|
Super-exponential cutoff absorption. XSpec model. |
|
xsspline |
|
Spline multiplicative factor. XSpec model. |
|
xssrcut |
|
Synchrotron radiation from cutoff electron distribution. XSpec model. |
|
xssresc |
|
Synchrotron radiation from escape-limited electron distribution. XSpec model. |
|
xssss_ice |
|
Einstein SSS ice absorption. XSpec model. |
|
xsstep |
|
Step function convolved with gaussian. XSpec model. |
|
xsswind1 |
|
Absorption by partially ionized material with large velocity shear. XSpec model. |
|
xstbabs |
|
Calculates the absorption of X-rays by the ISM. XSpec model. |
|
xstbgrain |
|
Calculates the absorption of X-rays by the ISM with variable hydrogen to H2 ratio and grain parameters. XSpec model. |
|
xstbvarabs |
|
Calculates the absorption of X-rays by the ISM, allowing user to vary all abundances, depletion factors, and grain properties. XSpec model. |
|
xsuvred |
|
UV reddening. XSpec model. |
|
xsvapec |
|
APEC thermal plasma model with variable abundances. XSpec model. |
|
xsvarabs |
|
Photoelectric absorption with variable abundances. XSpec model. |
|
xsvbremss |
|
Thermal bremsstrahlung spectrum with variable H/He. XSpec model. |
|
xsvequil |
|
Ionization equilibrium collisional plasma model with variable abundances. XSpec model. |
|
xsvgnei |
|
Non-equilibrium ionization collisional plasma model with variable abundances. XSpec model. |
|
xsvmcflow |
|
Cooling flow model based on vmekal. XSpec model. |
|
xsvmekal |
|
M-K-L thermal plasma with variable abundances. XSpec model. |
|
xsvmeka |
|
M-G-K thermal plasma with variable abundances. XSpec model. |
|
xsvnei |
|
Non-equilibrium ionization collisional plasma model with variable abundances. XSpec model. |
|
xsvnpshock |
|
Plane-parallel shock plasma model with separate ion and electron temperatures and variable abundances. XSpec model. |
|
xsvphabs |
|
Photoelectric absorption with variable abundances. XSpec model. |
|
xsvpshock |
|
Constant temperature, plane-parallel shock plasma model with variable abundances. XSpec model. |
|
xsvraymond |
|
Raymond-Smith thermal plasma with variable abundances. XSpec model. |
|
xsvsedov |
|
Sedov model with separate ion and electron temperatures and variable abundances. XSpec model. |
|
xswabs |
|
Photoelectric absorption (Morrison and McCammon). XSpec model. |
|
xswndabs |
|
Photoelectric absorption with low energy window. XSpec model. |
|
xsxion |
|
Reflected spectra of a photo-ionized accretion disk or ring. XSpec model. |
|
xszbbody |
|
Redshifted blackbody. XSpec model. |
|
xszbremss |
|
Redshifted thermal bremsstrahlung. XSpec model. |
|
xszdust |
|
Extinction by dust grains. XSpec model. |
|
xszedge |
|
Redshifted absorption edge. XSpec model. |
|
xszgauss |
|
Redshifted gaussian. XSpec model. |
|
xszhighect |
|
Redshifted high energy cutoff. XSpec model. |
|
xszpcfabs |
|
Redshifted partial covering absorption. XSpec model. |
|
xszphabs |
|
Redshifted photoelectric absorption. XSpec model. |
|
xszpowerlw |
|
Redshifted power law. XSpec model. |
|
xszredden |
|
Redshifted version of redden. XSpec model. |
|
xszsmdust |
|
Extinction by dust grains in starburst galaxies. XSpec model. |
|
xsztbabs |
|
Calculates the absorption of X-rays by the ISM for modeling redshifted absorption. Does not include a dust component. XSpec model. |
|
xszvarabs |
|
Redshifted photoelectric absorption with variable abundances. XSpec model. |
|
xszvfeabs |
|
Redshifted absorption with variable iron abundance. XSpec model. |
|
xszvphabs |
|
Redshifted photoelectric absorption with variable abundances. XSpec model. |
|
xszwabs |
|
Redshifted "Wisconsin absorption." XSpec model. |
|
xszwndabs |
|
Redshifted photoelectric absorption with low energy window. XSpec model. |
|
xszxipcf |
|
Partial covering absorption by partially ionized material. XSpec model. |
|
xs |
|
XSpec model functions. |
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