models

Context: models

Synopsis

Summary of Available Models

Description

The following is the list of models available within Sherpa.

Summary of Models

Name	Description
atten	Attenuation by ISM
bbody	Blackbody as a function of energy
bbodyfreq	Blackbody as a function of frequency
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
const1d	1-D constant amplitude model
const2d	2-D constant amplitude model
cos	Cosine function
delta1d	1-D delta function
delta2d	2-D delta function
dered	Dereddening function
devaucouleurs2d	DeVaucouleurs profile
edge	Photoabsorption edge model
erf	1-D error function
erfc	1-D complementary error function
exp	Exponential function
exp10	Exponential function, base 10
gauss1d	1-D unnormalized Gaussian function
gauss2d	2-D unnormalized Gaussian function
hubblereynolds	Hubble-Reynolds profile
jdpileup	John Davis (MIT) pileup model
linebroad	Line broadening profile
log	Natural logarithm function
logparabola	Log-parabolic function
log10	Logarithm function, base 10
lorentz1d	1-D unnormalized Lorentzian function
lorentz2d	2-D unnormalized Lorentzian function
normbeta1d	1-D normalized beta function
normgauss1d	1-D normalized Gaussian function
poisson	Poisson function
polynom1d	1-D polynomial function
polynom2d	2-D polynomial function
powlaw1d	1-D power law
scale1d	const1d with the integrate flag turned off by default
scale2d	const2d with the integrate flag turned off by default
schechter	Schechter function
sin	Sine function
sqrt	Square root function
stephi1d	1-D step function
steplo1d	1-D step function
tablemodel	Table model class
tan	Tangent function
XS<xspecname>	the XSpec model functions

See "ahelp xs" for a list of XSPEC models available within Sherpa.

Bugs

See the bugs pages on the Sherpa website for an up-to-date listing of known bugs.

models: absorptionedge, absorptiongaussian, absorptionlorentz, absorptionvoigt, accretiondisk, atten, bbody, bbodyfreq, beta1d, beta2d, blackbody, box1d, box2d, bpl1d, bremsstrahlung, brokenpowerlaw, ccm, const1d, const2d, cos, delta1d, delta2d, dered, devaucouleurs2d, edge, emissiongaussian, emissionlorentz, emissionvoigt, erf, erfc, exp, exp10, fm, gauss1d, gauss2d, hubblereynolds, jdpileup, linebroad, list_model_components, list_models, lmc, log, log10, logabsorption, logemission, logparabola, lorentz1d, lorentz2d, normbeta1d, normgauss1d, normgauss2d, opticalgaussian, poisson, polynom1d, polynom2d, polynomial, powerlaw, powlaw1d, recombination, scale1d, scale2d, schechter, seaton, sersic2d, sin, sm, smc, sqrt, stephi1d, steplo1d, tablemodel, tan, xgal, xs, xsabsori, xsacisabs, xsapec, xsbapec, xsbbody, xsbbodyrad, xsbexrav, xsbexriv, xsbkn2pow, xsbknpower, xsbmc, xsbremss, xsbvapec, xsbvvapec, xsc6mekl, xsc6pmekl, xsc6pvmkl, xsc6vmekl, xscabs, xscemekl, xscevmkl, xscflow, xscompbb, xscompls, xscompps, xscompst, xscompth, xscomptt, xsconstant, xscplinear, xscutoffpl, xscyclabs, xsdisk, xsdiskbb, xsdiskir, xsdiskline, xsdiskm, xsdisko, xsdiskpbb, xsdiskpn, xsdust, xsedge, xseplogpar, xseqpair, xseqtherm, xsequil, xsexpabs, xsexpdec, xsexpfac, xsezdiskbb, xsgabs, xsgadem, xsgaussian, xsgnei, xsgrad, xsgrbm, xshighecut, xshrefl, xskerrbb, xskerrd, xskerrdisk, xslaor, xslaor2, xslogpar, xslorentz, xsmeka, xsmekal, xsmkcflow, xsnei, xsnotch, xsnpshock, xsnsa, xsnsagrav, xsnsatmos, xsnsmax, xsnteea, xsnthcomp, xsoptxagn, xsoptxagnf, xspcfabs, xspegpwrlw, xspexmon, xspexrav, xspexriv, xsphabs, xsplabs, xsplcabs, xsposm, xspowerlaw, xspshock, xspwab, xsraymond, xsredden, xsredge, xsrefsch, xssedov, xssirf, xssmedge, xsspexpcut, xsspline, xssrcut, xssresc, xssss_ice, xsstep, xsswind1, xstbabs, xstbgrain, xstbvarabs, xsuvred, xsvapec, xsvarabs, xsvbremss, xsvequil, xsvgadem, xsvgnei, xsvmcflow, xsvmeka, xsvmekal, xsvnei, xsvnpshock, xsvphabs, xsvpshock, xsvraymond, xsvsedov, xsvvapec, xswabs, xswndabs, xsxion, xszbbody, xszbremss, xszdust, xszedge, xszgauss, xszhighect, xszigm, xszpcfabs, xszphabs, xszpowerlw, xszredden, xszsmdust, xsztbabs, xszvarabs, xszvfeabs, xszvphabs, xszwabs, xszwndabs, xszxipcf