
par1  Plasma temperature (keV) 
par2  Initial plasma temperature (keV) 
par3  Metal abundances (He fixed at that defined by the abund command). The elements included are C, N, O, Ne, Mg, Si, S, Ar, Ca, Fe, Ni. Abundances are defined by the abund command 
par4  Ionization timescale in units of s/cm. 
par5  redshift 
norm  , where is the angular diameter distance to the source (cm), is the volume element (cm), and and are the electron and H densities (cm), respectively 
For the vrnei model, the parameters are:
par1  Plasma temperature (keV) 
par2  Initial plasma temperature (keV) 
par3  H abundance (set to 0 for no freefree continuum, otherwise 1) 
par4par15  Abundances for He, C, N, O, Ne, Mg, Si, S, Ar, Ca, Fe, Ni wrt Solar (defined by the abund command) 
par16  Ionization timescale in units of s/cm. 
par17  Redshift, z 
norm  , where is the angular diameter distance to the source (cm), is the volume element (cm), and and are the electron and H densities (cm), respectively 
For the vvrnei model, the parameters are:
par1  Plasma temperature (keV) 
par2  Initial plasma temperature (keV) 
par3  H abundance (set to 0 for no freefree continuum, otherwise 1) 
par4par32  Abundances for all elements with 2 Z 30 wrt Solar (defined by the abund command) 
par33  Ionization timescale in units of s/cm. 
par34  Redshift, z 
norm  , where is the angular diameter distance to the source (cm), is the volume element (cm), and and are the electron and H densities (cm), respectively 
For the brnei model the parameters are:
par1  Plasma temperature (keV) 
par2  Initial plasma temperature (keV) 
par3  Metal abundances (He fixed at that defined by the abund command). The elements included are C, N, O, Ne, Mg, Si, S, Ar, Ca, Fe, Ni. Abundances are defined by the abund command 
par4  Ionization timescale in units of s/cm. 
par5  redshift 
par6  gaussian velocity broadening (sigma in km/s) 
norm  , where is the angular diameter distance to the source (cm), is the volume element (cm), and and are the electron and H densities (cm), respectively 
For the bvrnei model, the parameters are:
par1  Plasma temperature (keV) 
par2  Initial plasma temperature (keV) 
par3  H abundance (set to 0 for no freefree continuum, otherwise 1) 
par4par15  Abundances for He, C, N, O, Ne, Mg, Si, S, Ar, Ca, Fe, Ni wrt Solar (defined by the abund command) 
par16  Ionization timescale in units of s/cm. 
par17  Redshift, z 
par18  gaussian velocity broadening (sigma in km/s) 
norm  , where is the angular diameter distance to the source (cm), is the volume element (cm), and and are the electron and H densities (cm), respectively 
Finally, for the bvvrnei model, the parameters are:
par1  Plasma temperature (keV) 
par2  Initial plasma temperature (keV) 
par3  H abundance (set to 0 for no freefree continuum, otherwise 1) 
par4par32  Abundances for all elements with 2 Z 30 wrt Solar (defined by the abund command) 
par33  Ionization timescale in units of s/cm. 
par34  Redshift, z 
par35  gaussian velocity broadening (sigma in km/s) 
norm  , where is the angular diameter distance to the source (cm), is the volume element (cm), and and are the electron and H densities (cm), respectively 
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Last modified: Tuesday, 28May2024 10:09:22 EDT