Model ⚬ᵖʸˣˢᵖᵉᶜ Entries

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xspec.Model() ⚬｜docu｜1st｜20251021191542-00-⌔

Model — PyXspec 2.1.5 documentation#xspec.Model

class xspec.Model(exprString, modName='', sourceNum=1, setPars=None)

Xspec model class.

Methods

• init
• call (the ’()’ operator)
• energies
• folded
• setPars
• show
• showList
• untie
• values

Attributes (all are get-only)

• expression
• The model expression string, using full component names.
• name
• The model name, optional in Xspec. This is an empty string for un-named models.
• Model includes an attribute of type Component for every Xspec component in the model. The attribute name is the same as the full name of the Xspec component (ie. m=Model(“po”) produces an m.powerlaw attribute).
• componentNames
• List of component name strings.
• flux
• A tuple containing the results of the most recent flux calculation for this model. The tuple values are: (value, errLow, errHigh (in ergs/cm^2), value, errLow, errHigh (in photons)). This will be filled in after an AllModels.calcFlux() call ONLY when no spectra are loaded. Otherwise results are stored in the Spectrum objects.
• lumin
• Same as flux but for luminosity calculations. The tuple values are: (value, errLow, errHigh (in 10^44 ergs/s), value, errLow, errHigh (in photons)).
• nParameters
• Number of parameters in Model object[int].
• startParIndex
• Global index of the first parameter in this Model object[int].

Printed 2026-06-28.

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