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Last modified: 28 July 2008

Alphabetical list of Ahelp files for Sherpa 4.0 Beta

Jump to: Main AHELP page | Contextual List

A B C D E F G H I J L M N P R S T U X

    Topic Context Summary
A atten py.sherpa Attenuation by ISM.
atten sl.sherpa Attenuation by ISM.

B bbodyfreq py.sherpa Blackbody as a function of frequency.
bbodyfreq sl.sherpa Blackbody as a function of frequency.
bbody py.sherpa Blackbody as a function of energy.
bbody sl.sherpa Blackbody as a function of energy.
beta1d py.sherpa 1-D surface brightness beta-model.
beta1d sl.sherpa 1-D surface brightness beta-model.
beta2d py.sherpa 2-D Lorentzian with varying power law.
beta2d sl.sherpa 2-D Lorentzian with varying power law.
box1d py.sherpa 1-D box function.
box1d sl.sherpa 1-D box function.
box2d py.sherpa 2-D box function.
box2d sl.sherpa 2-D box function.
bpl1d py.sherpa Broken power law function.
bpl1d sl.sherpa Broken power law function.

C const1d py.sherpa 1-D constant amplitude model.
const1d sl.sherpa 1-D constant amplitude model.
const2d py.sherpa 2-D constant amplitude model.
const2d sl.sherpa 2-D constant amplitude model.
cos py.sherpa Cosine function.
cos sl.sherpa Cosine function.
covariance py.sherpa Estimate confidence intervals for selected thawed parameters based on covariance method
covariance sl.sherpa Estimate confidence intervals for selected thawed parameters based on covariance method

D delta1d py.sherpa 1-D delta function.
delta1d sl.sherpa 1-D delta function.
delta2d py.sherpa 2-D delta function.
delta2d sl.sherpa 2-D delta function.
dered py.sherpa Dereddening function.
dered sl.sherpa Dereddening function.
devaucouleurs2d py.sherpa DeVaucouleurs profile.
devaucouleurs2d sl.sherpa DeVaucouleurs profile.

E edge py.sherpa Photoabsorption edge model.
edge sl.sherpa Photoabsorption edge model.
erfc py.sherpa A 1-D complementary error function.
erfc sl.sherpa A 1-D complementary error function.
erf py.sherpa A 1-D error function.
erf sl.sherpa A 1-D error function.
exp10 py.sherpa Exponential function, base 10.
exp10 sl.sherpa Exponential function, base 10.
exp py.sherpa Exponential function.
exp sl.sherpa Exponential function.

F fit py.sherpa Perform a fit using current optimization method and fit statistic.
fit sl.sherpa Perform a fit using current optimization method and fit statistic.
freeze py.sherpa Freeze model parameters, so they do not vary during a fit.
freeze sl.sherpa Freeze model parameters, so they do not vary during a fit.

G gauss1d py.sherpa 1-D unnormalized Gaussian function.
gauss1d sl.sherpa 1-D unnormalized Gaussian function.
gauss2d py.sherpa 2-D unnormalized Gaussian function.
gauss2d sl.sherpa 2-D unnormalized Gaussian function.
get_data py.sherpa Return a Sherpa data set by ID.
get_data sl.sherpa Return a Sherpa data set by ID.
get_full_model py.sherpa Return the whole model associated with a Sherpa data set ID.
get_full_model sl.sherpa Return the whole model associated with a Sherpa data set ID.

H hubblereynolds py.sherpa Hubble-Reynolds profile.
hubblereynolds sl.sherpa Hubble-Reynolds profile.

I ignore2d_id py.sherpa Ignore 2D data with a region filter by data set ID(s).
ignore2d_id sl.sherpa Ignore 2D data with a region filter by data set ID(s).
ignore2d py.sherpa Ignore 2D data with a region filter.
ignore2d sl.sherpa Ignore 2D data with a region filter.
ignore_id py.sherpa Ignore 1D data with an interval filter by data set ID(s).
ignore_id sl.sherpa Ignore 1D data with an interval filter by data set ID(s).
ignore py.sherpa Ignore 1D data with an interval filter.
ignore sl.sherpa Ignore 1D data with an interval filter.
image_data py.sherpa Send image of the data to the imager.
image_data sl.sherpa Send image of the data to the imager.
image_deleteframes py.sherpa Delete all frames in the imager
image_deleteframes sl.sherpa Delete all frames in the imager
image_fit py.sherpa Send image of the fit_results to the imager.
image_fit sl.sherpa Send image of the fit_results to the imager.
image_getregion py.sherpa Returns a region description from the imager
image_getregion sl.sherpa Returns a region description from the imager
image_model py.sherpa Send image of the model to the imager.
image_model sl.sherpa Send image of the model to the imager.
image_ratio py.sherpa Send image of the ratio (i.e., data/model) to the imager.
image_ratio sl.sherpa Send image of the ratio (i.e., data/model) to the imager.
image_resid py.sherpa Send image of the residuals (i.e., data - model) to the imager.
image_resid sl.sherpa Send image of the residuals (i.e., data - model) to the imager.
image_setregion py.sherpa Sends a region description to the imager, where it is drawb in the current frame
image_setregion sl.sherpa Sends a region description to the imager, where it is drawb in the current frame
image_xpaget py.sherpa Retrieve data from ds9 using XPA.
image_xpaget sl.sherpa Retrieve data from ds9 using XPA.
image_xpaset py.sherpa Send data to ds9 using XPA.
image_xpaset sl.sherpa Send data to ds9 using XPA.
int_proj py.sherpa Create a confidence plot of fit statistic vs. a thawed parameter value.
int_proj sl.sherpa Create a confidence plot of fit statistic vs. a thawed parameter value.
int_unc py.sherpa Create a confidence plot of fit statistic vs. parameter value.
int_unc sl.sherpa Create a confidence plot of fit statistic vs. parameter value.

J jdpileup py.sherpa A CCD pileup model developed by John Davis of MIT.
jdpileup sl.sherpa A CCD pileup model developed by John Davis of MIT.

L linebroad py.sherpa Line broadening profile.
linebroad sl.sherpa Line broadening profile.
load_arf py.sherpa Load ARF data by id
load_arf sl.sherpa Load ARF data by id
load_ascii py.sherpa Load ASCII/text data from a file
load_ascii sl.sherpa Load ASCII/text data from a file
load_data py.sherpa Load a data file
load_data sl.sherpa Load a data file
load_image py.sherpa Load FITS image data by id
load_image sl.sherpa Load FITS image data by id
load_pha py.sherpa Load PHA data by id
load_pha sl.sherpa Load PHA data by id
load_rmf py.sherpa Load RMF data by id
load_rmf sl.sherpa Load RMF data by id
load_table_model py.sherpa Load data into a table model by data set ID
load_table_model sl.sherpa Load data into a table model by data set ID
load_table py.sherpa Load data by data set ID
load_table sl.sherpa Load data by data set ID
log10 py.sherpa Logarithm function, base 10.
log10 sl.sherpa Logarithm function, base 10.
log py.sherpa Natural logarithm function.
log sl.sherpa Natural logarithm function.
lorentz1d py.sherpa 1-D normalized Lorentzian function.
lorentz1d sl.sherpa 1-D normalized Lorentzian function.
lorentz2d py.sherpa 2-D unnormalized Lorentzian function.
lorentz2d sl.sherpa 2-D unnormalized Lorentzian function.

M models py.sherpa Summary of Available Models
models sl.sherpa Summary of Available Models

N normbeta1d py.sherpa 1-D normalized beta function.
normbeta1d sl.sherpa 1-D normalized beta function.
normgauss1d py.sherpa 1-D normalized Gaussian function.
normgauss1d sl.sherpa 1-D normalized Gaussian function.
notice2d_id py.sherpa Notice 2D data with a region filter by data set ID(s).
notice2d_id sl.sherpa Notice 2D data with a region filter by data set ID(s).
notice2d py.sherpa Notice 2D data with a region filter.
notice2d sl.sherpa Notice 2D data with a region filter.
notice_id py.sherpa Notice 1D data with an interval filter by data set ID(s).
notice_id sl.sherpa Notice 1D data with an interval filter by data set ID(s).
notice py.sherpa Notice 1D data with an interval filter.
notice sl.sherpa Notice 1D data with an interval filter.

P plot_chisqr py.sherpa Send a chi-squared plot to the visualizer
plot_chisqr sl.sherpa Send a chi-squared plot to the visualizer
plot_data py.sherpa Send a data plot to the visualizer
plot_data sl.sherpa Send a data plot to the visualizer
plot_fit py.sherpa Send a fit plot to the visualizer
plot_fit sl.sherpa Send a fit plot to the visualizer
plot_model py.sherpa Send a model plot to the visualizer
plot_model sl.sherpa Send a model plot to the visualizer
plot_ratio py.sherpa Send a ratio (data / model) plot to the visualizer
plot_ratio sl.sherpa Send a ratio (data / model) plot to the visualizer
plot_resid py.sherpa Send a residuals (data - model) plot to the visualizer
plot_resid sl.sherpa Send a residuals (data - model) plot to the visualizer
poisson py.sherpa Poisson function.
poisson sl.sherpa Poisson function.
polynom1d py.sherpa 1-D polynomial function.
polynom1d sl.sherpa 1-D polynomial function.
polynom2d py.sherpa 2-D polynomial function.
polynom2d sl.sherpa 2-D polynomial function.
powlaw1d py.sherpa 1-D power law.
powlaw1d sl.sherpa 1-D power law.
projection py.sherpa Estimate confidence intervals for selected thawed parameters
projection sl.sherpa Estimate confidence intervals for selected thawed parameters
psf1d py.sherpa A 1-D PSF instrument model
psf1d sl.sherpa A 1-D PSF instrument model
psf2d py.sherpa A 2-D PSF instrument model
psf2d sl.sherpa A 2-D PSF instrument model

R reg_proj py.sherpa Creates a contour plot of confidence regions using the projection algorithm
reg_proj sl.sherpa Creates a contour plot of confidence regions using the projection algorithm
reg_unc py.sherpa Create a confidence contour of fit statistic vs. two thawed parameter values.
reg_unc sl.sherpa Create a confidence contour of fit statistic vs. two thawed parameter values.

S schechter py.sherpa Schechter function.
schechter sl.sherpa Schechter function.
set_bkg py.sherpa Set a background PHA dataset
set_bkg sl.sherpa Set a background PHA dataset
set_coord py.sherpa Set the coordinate system
set_coord sl.sherpa Set the coordinate system
set_method_opt py.sherpa Set the options of the chosen Sherpa optimization method
set_method_opt sl.sherpa Set the options of the chosen Sherpa optimization method
set_method py.sherpa Set the Sherpa optimization method by name
set_method sl.sherpa Set the Sherpa optimization method by name
set_model py.sherpa Set the model expression to be used for fitting a dataset.
set_model sl.sherpa Set the model expression to be used for fitting a dataset.
set_par py.sherpa Set initial values for a model parameter
set_par sl.sherpa Set initial values for a model parameter
set_psf_model py.sherpa Set the psf kernel and psf model
set_psf_model sl.sherpa Set the psf kernel and psf model
set_source py.sherpa Set the source model expression to be used for fitting a dataset.
set_source sl.sherpa Set the source model expression to be used for fitting a dataset.
set_stat py.sherpa Set the current Sherpa statistic by name
set_stat sl.sherpa Set the current Sherpa statistic by name
sherpa sherpa Introduction to Sherpa, the CIAO modeling and fitting package
show_all py.sherpa Reports the current state of the Sherpa session
show_all sl.sherpa Reports the current state of the Sherpa session
sin py.sherpa Sine function.
sin sl.sherpa Sine function.
sqrt py.sherpa Square root function.
sqrt sl.sherpa Square root function.
stephi1d py.sherpa 1-D step function.
stephi1d sl.sherpa 1-D step function.
steplo1d py.sherpa 1-D step function.
steplo1d sl.sherpa 1-D step function.
subtract py.sherpa Perform background subtraction
subtract sl.sherpa Perform background subtraction

T tablemodel py.sherpa A table model class.
tablemodel sl.sherpa A table model class.
tan py.sherpa Tangent function.
tan sl.sherpa Tangent function.
thaw py.sherpa Thaw a list of parameters
thaw sl.sherpa Thaw a list of parameters

U unsubtract py.sherpa Undo background subtraction
unsubtract sl.sherpa Undo background subtraction

X xsabsori py.sherpa Ionized absorber. XSpec model.
xsabsori sl.sherpa Ionized absorber. XSpec model.
xsacisabs py.sherpa Decay in the ACIS quantum efficiency. XSpec model.
xsacisabs sl.sherpa Decay in the ACIS quantum efficiency. XSpec model.
xsapec py.sherpa APEC thermal plasma model. XSpec model.
xsapec sl.sherpa APEC thermal plasma model. XSpec model.
xsbapec py.sherpa APEC thermal plasma model with velocity broadening as a free parameter. XSpec model.
xsbapec sl.sherpa APEC thermal plasma model with velocity broadening as a free parameter. XSpec model.
xsbbodyrad py.sherpa Blackbody spectrum with norm proportional to surface area. XSpec model.
xsbbodyrad sl.sherpa Blackbody spectrum with norm proportional to surface area. XSpec model.
xsbbody py.sherpa Blackbody spectrum. XSpec model.
xsbbody sl.sherpa Blackbody spectrum. XSpec model.
xsbexrav py.sherpa E-folded broken power law reflected from neutral matter. XSpec model.
xsbexrav sl.sherpa E-folded broken power law reflected from neutral matter. XSpec model.
xsbexriv py.sherpa E-folded broken power law reflected from ionized matter. XSpec model.
xsbexriv sl.sherpa E-folded broken power law reflected from ionized matter. XSpec model.
xsbkn2pow py.sherpa Broken power law, two break energies. XSpec model.
xsbkn2pow sl.sherpa Broken power law, two break energies. XSpec model.
xsbknpower py.sherpa Broken power law. XSpec model.
xsbknpower sl.sherpa Broken power law. XSpec model.
xsbmc py.sherpa Comptonization by relativistically moving matter. XSpec model.
xsbmc sl.sherpa Comptonization by relativistically moving matter. XSpec model.
xsbremss py.sherpa Thermal bremsstrahlung. XSpec model.
xsbremss sl.sherpa Thermal bremsstrahlung. XSpec model.
xsbvapec py.sherpa APEC thermal plasma model with variable abundances and velocity broadening as a free parameter. XSpec model.
xsbvapec sl.sherpa APEC thermal plasma model with variable abundances and velocity broadening as a free parameter. XSpec model.
xsc6mekl py.sherpa 6th-order Chebyshev polynomial DEM using mekal. XSpec model.
xsc6mekl sl.sherpa 6th-order Chebyshev polynomial DEM using mekal. XSpec model.
xsc6pmekl py.sherpa Exponential of 6th-order Chebyshev polyn. DEM using mekal. XSpec model.
xsc6pmekl sl.sherpa Exponential of 6th-order Chebyshev polyn. DEM using mekal. XSpec model.
xsc6pvmkl py.sherpa Variable abundance version of c6pmekl. XSpec model.
xsc6pvmkl sl.sherpa Variable abundance version of c6pmekl. XSpec model.
xsc6vmekl py.sherpa Variable abundance version of c6mekl. XSpec model.
xsc6vmekl sl.sherpa Variable abundance version of c6mekl. XSpec model.
xscabs py.sherpa Compton scattering (non-relativistic). XSpec model.
xscabs sl.sherpa Compton scattering (non-relativistic). XSpec model.
xscemekl py.sherpa Multi-temperature mekal. XSpec model.
xscemekl sl.sherpa Multi-temperature mekal. XSpec model.
xscevmkl py.sherpa Multi-temperature vmeka. XSpec model.
xscevmkl sl.sherpa Multi-temperature vmeka. XSpec model.
xscflow py.sherpa Cooling flow model. XSpec model.
xscflow sl.sherpa Cooling flow model. XSpec model.
xscompbb py.sherpa Comptonized blackbody spectrum after Nishimura et al. (1986). XSpec model.
xscompbb sl.sherpa Comptonized blackbody spectrum after Nishimura et al. (1986). XSpec model.
xscompls py.sherpa Comptonization spectrum after Lamb and Sanford (1979). XSpec model.
xscompls sl.sherpa Comptonization spectrum after Lamb and Sanford (1979). XSpec model.
xscompps py.sherpa Comptonization, Poutanen and Svenson. XSpec model.
xscompps sl.sherpa Comptonization, Poutanen and Svenson. XSpec model.
xscompst py.sherpa Comptonization spectrum after Sunyaev and Titarchuk (1980). XSpec model.
xscompst sl.sherpa Comptonization spectrum after Sunyaev and Titarchuk (1980). XSpec model.
xscomptt py.sherpa Comptonization spectrum after Titarchuk (1994). XSpec model.
xscomptt sl.sherpa Comptonization spectrum after Titarchuk (1994). XSpec model.
xsconstant py.sherpa Energy-independent multiplicative factor. XSpec model.
xsconstant sl.sherpa Energy-independent multiplicative factor. XSpec model.
xscutoffpl py.sherpa Power law with high energy exponential cutoff. XSpec model.
xscutoffpl sl.sherpa Power law with high energy exponential cutoff. XSpec model.
xscyclabs py.sherpa Cyclotron absorption line. XSpec model.
xscyclabs sl.sherpa Cyclotron absorption line. XSpec model.
xsdiskbb py.sherpa Multiple blackbody disk model. XSpec model.
xsdiskbb sl.sherpa Multiple blackbody disk model. XSpec model.
xsdiskline py.sherpa Line emission from relativistic accretion disk. XSpec model.
xsdiskline sl.sherpa Line emission from relativistic accretion disk. XSpec model.
xsdiskm py.sherpa Disk model with gas pressure viscosity. XSpec model.
xsdiskm sl.sherpa Disk model with gas pressure viscosity. XSpec model.
xsdisko py.sherpa Modified blackbody disk model. XSpec model.
xsdisko sl.sherpa Modified blackbody disk model. XSpec model.
xsdiskpbb py.sherpa Accretion disk, power-law dependence for T(r). XSpec model.
xsdiskpbb sl.sherpa Accretion disk, power-law dependence for T(r). XSpec model.
xsdiskpn py.sherpa Accretion disk around a black hole. XSpec model.
xsdiskpn sl.sherpa Accretion disk around a black hole. XSpec model.
xsdisk py.sherpa Disk model. XSpec model.
xsdisk sl.sherpa Disk model. XSpec model.
xsdust py.sherpa Dust scattering out of the beam. XSpec model.
xsdust sl.sherpa Dust scattering out of the beam. XSpec model.
xsedge py.sherpa Absorption edge. XSpec model.
xsedge sl.sherpa Absorption edge. XSpec model.
xsequil py.sherpa Equilibrium ionization collisional plasma model from Borkowski. XSpec model.
xsequil sl.sherpa Equilibrium ionization collisional plasma model from Borkowski. XSpec model.
xsexpabs py.sherpa Low-energy exponential cutoff. XSpec model.
xsexpabs sl.sherpa Low-energy exponential cutoff. XSpec model.
xsexpdec py.sherpa An exponential decay. XSpec model.
xsexpdec sl.sherpa An exponential decay. XSpec model.
xsexpfac py.sherpa Exponential factor. XSpec model.
xsexpfac sl.sherpa Exponential factor. XSpec model.
xsezdiskbb py.sherpa Multiple blackbody disk model with zero-torque inner boundary. XSpec model.
xsezdiskbb sl.sherpa Multiple blackbody disk model with zero-torque inner boundary. XSpec model.
xsgabs py.sherpa A multiplicative gaussian absorption line. XSpec model.
xsgabs sl.sherpa A multiplicative gaussian absorption line. XSpec model.
xsgaussian py.sherpa Simple gaussian line profile. XSpec model.
xsgaussian sl.sherpa Simple gaussian line profile. XSpec model.
xsgnei py.sherpa Generalized single ionization NEI plasma model. XSpec model.
xsgnei sl.sherpa Generalized single ionization NEI plasma model. XSpec model.
xsgrad py.sherpa GR accretion disk around a black hole. XSpec model.
xsgrad sl.sherpa GR accretion disk around a black hole. XSpec model.
xsgrbm py.sherpa Gamma-ray burst model. XSpec model.
xsgrbm sl.sherpa Gamma-ray burst model. XSpec model.
xshighecut py.sherpa High energy cutoff. XSpec model.
xshighecut sl.sherpa High energy cutoff. XSpec model.
xshrefl py.sherpa Simple reflection model good up to 15 keV. XSpec model.
xshrefl sl.sherpa Simple reflection model good up to 15 keV. XSpec model.
xskerrbb py.sherpa Multi-temperature blackbody model for thin accretion disk around a Kerr black hole. XSpec model.
xskerrbb sl.sherpa Multi-temperature blackbody model for thin accretion disk around a Kerr black hole. XSpec model.
xskerrd py.sherpa Optically thick accretion disk around a Kerr black hole. XSpec model.
xskerrd sl.sherpa Optically thick accretion disk around a Kerr black hole. XSpec model.
xslaor2 py.sherpa Accretion disk with broken-power law emissivity profile, black hole emission line. XSpec model.
xslaor2 sl.sherpa Accretion disk with broken-power law emissivity profile, black hole emission line. XSpec model.
xslaor py.sherpa Line from accretion disk around a black hole. XSpec model.
xslaor sl.sherpa Line from accretion disk around a black hole. XSpec model.
xslorentz py.sherpa Lorentzian line profile. XSpec model.
xslorentz sl.sherpa Lorentzian line profile. XSpec model.
xsmekal py.sherpa Mewe-Kaastra-Liedahl thermal plasma (1995). XSpec model.
xsmekal sl.sherpa Mewe-Kaastra-Liedahl thermal plasma (1995). XSpec model.
xsmeka py.sherpa Mewe-Gronenschild-Kaastra thermal plasma (1992). XSpec model.
xsmeka sl.sherpa Mewe-Gronenschild-Kaastra thermal plasma (1992). XSpec model.
xsmkcflow py.sherpa Cooling flow model based on mekal. XSpec model.
xsmkcflow sl.sherpa Cooling flow model based on mekal. XSpec model.
xsnei py.sherpa Simple nonequilibrium ionization plasma model. XSpec model.
xsnei sl.sherpa Simple nonequilibrium ionization plasma model. XSpec model.
xsnotch py.sherpa Notch line absorption. XSpec model.
xsnotch sl.sherpa Notch line absorption. XSpec model.
xsnpshock py.sherpa Plane-parallel shock with ion and electron temperatures. XSpec model.
xsnpshock sl.sherpa Plane-parallel shock with ion and electron temperatures. XSpec model.
xsnsagrav py.sherpa NS H atmosphere model for different g. XSpec model.
xsnsagrav sl.sherpa NS H atmosphere model for different g. XSpec model.
xsnsatmos py.sherpa NS Hydrogen Atmosphere model with electron conduction and self-irradiation. XSpec model.
xsnsatmos sl.sherpa NS Hydrogen Atmosphere model with electron conduction and self-irradiation. XSpec model.
xsnsa py.sherpa Spectra in the X-ray range (0.05-10 keV) emitted from a hydrogen atmosphere of a neutron star. XSpec model.
xsnsa sl.sherpa Spectra in the X-ray range (0.05-10 keV) emitted from a hydrogen atmosphere of a neutron star. XSpec model.
xsnteea py.sherpa Pair plasma model. XSpec model.
xsnteea sl.sherpa Pair plasma model. XSpec model.
xspcfabs py.sherpa Partial covering fraction absorption. XSpec model.
xspcfabs sl.sherpa Partial covering fraction absorption. XSpec model.
xspegpwrlw py.sherpa Power law with pegged normalization. XSpec model.
xspegpwrlw sl.sherpa Power law with pegged normalization. XSpec model.
xspexrav py.sherpa Exponentially cutoff power law reflected from neutral matter. XSpec model.
xspexrav sl.sherpa Exponentially cutoff power law reflected from neutral matter. XSpec model.
xspexriv py.sherpa Exponentially cutoff power law reflected from ionized matter. XSpec model.
xspexriv sl.sherpa Exponentially cutoff power law reflected from ionized matter. XSpec model.
xsphabs py.sherpa Photo-electric absorption. XSpec model.
xsphabs sl.sherpa Photo-electric absorption. XSpec model.
xsplabs py.sherpa Absorption model with power law dependence on energy. XSpec model.
xsplabs sl.sherpa Absorption model with power law dependence on energy. XSpec model.
xsplcabs py.sherpa Cutoff power law observed through dense, cold matter. XSpec model.
xsplcabs sl.sherpa Cutoff power law observed through dense, cold matter. XSpec model.
xsposm py.sherpa Positronium continuum. XSpec model.
xsposm sl.sherpa Positronium continuum. XSpec model.
xspowerlaw py.sherpa Simple photon power law. XSpec model.
xspowerlaw sl.sherpa Simple photon power law. XSpec model.
xspshock py.sherpa Constant temperature, plane-parallel shock plasma model. XSpec model.
xspshock sl.sherpa Constant temperature, plane-parallel shock plasma model. XSpec model.
xspwab py.sherpa An extension of partial covering fraction absorption into a power-law distribution of covering fraction. XSpec model.
xspwab sl.sherpa An extension of partial covering fraction absorption into a power-law distribution of covering fraction. XSpec model.
xsraymond py.sherpa Raymond-Smith thermal plasma. XSpec model.
xsraymond sl.sherpa Raymond-Smith thermal plasma. XSpec model.
xsredden py.sherpa IR/optical/UV extinction from Cardelli et al. (1989). XSpec model.
xsredden sl.sherpa IR/optical/UV extinction from Cardelli et al. (1989). XSpec model.
xsredge py.sherpa Recombination edge. XSpec model.
xsredge sl.sherpa Recombination edge. XSpec model.
xsrefsch py.sherpa E-folded power law reflected from an ionized relativistic disk. XSpec model.
xsrefsch sl.sherpa E-folded power law reflected from an ionized relativistic disk. XSpec model.
xssedov py.sherpa Sedov model with electron and ion temperatures. XSpec model.
xssedov sl.sherpa Sedov model with electron and ion temperatures. XSpec model.
xssmedge py.sherpa Smoothed absorption edge. XSpec model.
xssmedge sl.sherpa Smoothed absorption edge. XSpec model.
xsspline py.sherpa Spline multiplicative factor. XSpec model.
xsspline sl.sherpa Spline multiplicative factor. XSpec model.
xssrcut py.sherpa Synchrotron radiation from cutoff electron distribution. XSpec model.
xssrcut sl.sherpa Synchrotron radiation from cutoff electron distribution. XSpec model.
xssresc py.sherpa Synchrotron radiation from escape-limited electron distribution. XSpec model.
xssresc sl.sherpa Synchrotron radiation from escape-limited electron distribution. XSpec model.
xssss_ice py.sherpa Einstein SSS ice absorption. XSpec model.
xssss_ice sl.sherpa Einstein SSS ice absorption. XSpec model.
xsstep py.sherpa Step function convolved with gaussian. XSpec model.
xsstep sl.sherpa Step function convolved with gaussian. XSpec model.
xstbabs py.sherpa Calculates the absorption of X-rays by the ISM. XSpec model.
xstbabs sl.sherpa Calculates the absorption of X-rays by the ISM. XSpec model.
xstbgrain py.sherpa Calculates the absorption of X-rays by the ISM with variable hydrogen to H2 ratio and grain parameters. XSpec model.
xstbgrain sl.sherpa Calculates the absorption of X-rays by the ISM with variable hydrogen to H2 ratio and grain parameters. XSpec model.
xstbvarabs py.sherpa Calculates the absorption of X-rays by the ISM, allowing user to vary all abundances, depletion factors, and grain properties. XSpec model.
xstbvarabs sl.sherpa Calculates the absorption of X-rays by the ISM, allowing user to vary all abundances, depletion factors, and grain properties. XSpec model.
xsuvred py.sherpa UV reddening. XSpec model.
xsuvred sl.sherpa UV reddening. XSpec model.
xsvapec py.sherpa APEC thermal plasma model with variable abundances. XSpec model.
xsvapec sl.sherpa APEC thermal plasma model with variable abundances. XSpec model.
xsvarabs py.sherpa Photoelectric absorption with variable abundances. XSpec model.
xsvarabs sl.sherpa Photoelectric absorption with variable abundances. XSpec model.
xsvbremss py.sherpa Thermal bremsstrahlung spectrum with variable H/He. XSpec model.
xsvbremss sl.sherpa Thermal bremsstrahlung spectrum with variable H/He. XSpec model.
xsvequil py.sherpa Ionization equilibrium collisional plasma model with variable abundances. XSpec model.
xsvequil sl.sherpa Ionization equilibrium collisional plasma model with variable abundances. XSpec model.
xsvgnei py.sherpa Non-equilibrium ionization collisional plasma model with variable abundances. XSpec model.
xsvgnei sl.sherpa Non-equilibrium ionization collisional plasma model with variable abundances. XSpec model.
xsvmcflow py.sherpa Cooling flow model based on vmekal. XSpec model.
xsvmcflow sl.sherpa Cooling flow model based on vmekal. XSpec model.
xsvmekal py.sherpa M-K-L thermal plasma with variable abundances. XSpec model.
xsvmekal sl.sherpa M-K-L thermal plasma with variable abundances. XSpec model.
xsvmeka py.sherpa M-G-K thermal plasma with variable abundances. XSpec model.
xsvmeka sl.sherpa M-G-K thermal plasma with variable abundances. XSpec model.
xsvnei py.sherpa Non-equilibrium ionization collisional plasma model with variable abundances. XSpec model.
xsvnei sl.sherpa Non-equilibrium ionization collisional plasma model with variable abundances. XSpec model.
xsvnpshock py.sherpa Plane-parallel shock plasma model with separate ion and electron temperatures and variable abundances. XSpec model.
xsvnpshock sl.sherpa Plane-parallel shock plasma model with separate ion and electron temperatures and variable abundances. XSpec model.
xsvphabs py.sherpa Photoelectric absorption with variable abundances. XSpec model.
xsvphabs sl.sherpa Photoelectric absorption with variable abundances. XSpec model.
xsvpshock py.sherpa Constant temperature, plane-parallel shock plasma model with variable abundances. XSpec model.
xsvpshock sl.sherpa Constant temperature, plane-parallel shock plasma model with variable abundances. XSpec model.
xsvraymond py.sherpa Raymond-Smith thermal plasma with variable abundances. XSpec model.
xsvraymond sl.sherpa Raymond-Smith thermal plasma with variable abundances. XSpec model.
xsvsedov py.sherpa Sedov model with separate ion and electron temperatures and variable abundances. XSpec model.
xsvsedov sl.sherpa Sedov model with separate ion and electron temperatures and variable abundances. XSpec model.
xswabs py.sherpa Photoelectric absorption (Morrison and McCammon). XSpec model.
xswabs sl.sherpa Photoelectric absorption (Morrison and McCammon). XSpec model.
xswndabs py.sherpa Photoelectric absorption with low energy window. XSpec model.
xswndabs sl.sherpa Photoelectric absorption with low energy window. XSpec model.
xsxion py.sherpa Reflected spectra of a photo-ionized