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Summary of Models

absori
Ionized absorber.
acisabs
Extra absorption due to contamination on the ACIS filters.
ascac
ASCA PSF mixing model.
apec
APEC thermal plasma model.
atable
Additive table model.
bbody
Blackbody spectrum.
bbodyrad
Blackbody spectrum with norm proportional to surface area.
bexrav
E-folded broken power-law reflected from neutral matter
bexriv
E-folded broken power-law reflected from ionized matter
bknpower
Broken powerlaw.
bkn2pow
Three-segment broken powerlaw.
bmc
Comptonization by relativistically moving matter.
bremss
Thermal bremsstrahlung.
c6mekl
6th-order Chebyshev polynomial DEM using mekal.
c6pmekl
Exponential of 6th-order Chebyshev polyn. DEM using mekal.
c6pvmkl
Variable abundance version of c6pmekl
c6vmekl
Variable abundance version of c6mekl
cabs
Compton scattering (non-relativistic)
cemekl
Multi-temperature mekal.
cevmkl
Multi-temperature vmeka.
cflow
Cooling flow model.
compbb
Comptonized blackbody spectrum after Nishimura et al. 1986.
compls
Comptonization spectrum after Lamb and Sanford 1979.
compst
Comptonization spectrum after Sunyaev and Titarchuk 1980.
comptt
Comptonization spectrum after Titarchuk 1994.
constant
Energy-independent multiplicative factor.
cutoffpl
Powerlaw with high energy exponential rolloff.
cyclabs
Cyclotron absorption line.
disk
Disk model.
diskbb
Multiple blackbody disk model.
diskline
Line emission from relativistic accretion disk.
diskm
Disk model with gas pressure viscosity.
disko
Modified blackbody disk model.
diskpn
Accretion disk around a black hole.
dust
Dust scattering out of the beam.
edge
Absorption edge.
equil
Equilibrium ionization collisional plasma model from Borkowski.
etable
Table model for exponential of -1 times the input.
expabs
Low-energy exponential rolloff.
expdec
Exponential decay.
expfac
Exponential factor.
gaussian
Simple gaussian line profile.
gnei
Generalized single ionization NEI plasma model.
grad
GR accretion disk around a black hole.
grbm
Gamma-ray burst model.
gsmooth
Gaussian smoothing with an energy dependent sigma.
highecut
High energy cutoff.
hrefl
Simple reflection model good up to 15 keV.
laor
Line from accretion disk around a black hole.
lorentz
Lorentzian line profile.
lsmooth
Lorentzian smoothing with an energy dependent sigma.
meka
Mewe-Gronenschild-Kaastra thermal plasma (1992).
mekal
Mewe-Kaastra-Liedahl thermal plasma (1995).
mkcflow
Cooling flow model based on mekal.
mtable
Multiplicative table model.
nei
Simple nonequilibrium ionization plasma model.
notch
Notch line absorption.
npshock
Plane-parallel shock with ion and electron temperatures.
nsa
Neutron star with hydrogen atmosphere.
pwab
Power-law distribution of neutral absorbers.
nteea
Pair plasma model.
pcfabs
Partial covering fraction absorption.
pegpwrlw
Powerlaw with pegged normalization.
pexrav
Exponentially cut-off power-law reflected from neutral matter.
pexriv
Exponentially cut-off power-law reflected from ionized matter.
phabs
Photo-electric absorption
pileup
CCD pile-up model
plabs
Absorption model with power-law dependence on energy.
plcabs
Cut-off powerlaw observed through dense, cold matter.
posm
Positronium continuum.
powerlaw
Simple photon power law.
projct
3-D to 2-D projection mixing model.
pshock
Constant temperature, plane-parallel shock plasma model.
raymond
Raymond-Smith thermal plasma.
redden
IR/optical/UV extinction from Cardelli et al. (1989)
redge
Recombination edge.
reflect
Convolution model for reflection from neutral matter
refsch
E-folded power-law reflected from an ionized relativistic disk.
rgsxsrc
Convolution model for extended sources with the XMM RGS.
sedov
Sedov model with electron and ion temperatures.
smaug
Model for an optically-thin, spherically-symmetric thermal plasma.
smedge
Smoothed absorption edge.
spline
Spline multiplicative factor.
srcut
Synchrotron radiation from cut-off electron distribution.
sresc
Synchrotron radiation from escape-limited electron distribution.
SSS_ice
Einstein Observatory SSS ice absorption.
step
Step function convolved with gaussian.
tbabs
Absorption due to the ISM including molecules and grains.
tbgrain
ISM absorption with variable molecule and grain fractions.
tbvarabs
ISM absorption with variable abundances and grain depletion.
uvred
UV reddening.
vapec
APEC thermal plasma model with variable abundances.
varabs
Photoelectric absorption with variable abundances.
vbremss
Thermal bremsstrahlung spectrum with variable H/He.
vequil
As equil but with variable abundances.
vgnei
As gnei but with variable abundances.
vmcflow
Cooling flow model based on vmekal.
vmeka
M-G-K thermal plasma with variable abundances.
vmekal
M-K-L thermal plasma with variable abundances.
vnei
As nei but with variable abundances.
vnpshock
As npshock but with variable abundances.
vphabs
Photoelectric absorption with variable abundances.
vpshock
As pshock but with variable abundances.
vraymond
Raymond-Smith thermal plasma with variable abundances.
vsedov
As sedov but with variable abundances.
wabs
Photoelectric absorption (Morrison & McCammon).
wndabs
Photoelectric absorption with low energy window.
xion
The reflected spectrum from a photo-ionized accretion disk.
xmmpsf
XMM PSF mixing model.
zbbody
Redshifted blackbody.
zbremss
Redshifted thermal bremsstrahlung.
zedge
Redshifted absorption edge.
zgauss
Redshifted gaussian.
zhighect
Redshifted high energy cut-off.
zpcfabs
Redshifted partial covering absorption.
zphabs
Redshifted photoelectric absorption
zpowerlw
Redshifted powerlaw.
ztbabs
Redshifted ISM absorption without grains.
zvarabs
Redshifted photoelectric absorption with variable abundances.
zvfeabs
Redshifted absorption with variable iron abundance.
zvphabs
Redshifted photoelectric absorption with variable abundances.
zwabs
Redshifted ``Wisconsin absorption.''
zwndabs
Redshifted photoelectric absorption with low energy window.

next up [*] [*]
Next: Additive Model Components A-M Up: XSPEC V11.3 Models Previous: XSPEC V11.3 Models
Ben Dorman
2003-11-28