List of Edit Quantities by Name¶
Name 
Format 
Unit 
Storage 
Synopsis 




4He(2a,g)12C (APPROX only). 




Mean atomic weight. 




Last calculated partial derivative of with respect to density (cc/g). 




Last calculated partial derivative of with respect to temperature. 




Last calculated value of . 




Isotheremal compressibility. 




Ratio of centripetal force to gravity. 




Rotational diffusion coefficients separated for processes. 




Diffusion coefficient for convective processes. 




Diffusion coefficient for dynamical shear instability. 




Diffusion coefficient for SolbergHoiland instability. 




Diffusion coefficient for secular shear instability. 




Diffusion coefficient for EddingtonSweet circulation. 




Diffusion coefficient for GoldreichSchubertFricke instability (cm:math:^2/s). 




Total rotationally induced diffusion coefficients. 




Specific rotational energy. 




Ratio of equatorial rotational energy to Keplerian energy. 




Specific Keplerian energy. 




Specific rotational energy. 




Specific moment of inertia. 




Integrated moment of inertia momentum. 




Specific angular momentum magnitude. 




Specific angular momentum magnitude. 




Ratio of shell average specific angular momentum to Keplerian specific angular momentum. 




Keplerian specific angular momentum. 




Magnitude integrated angular momentum. 




Magnitude integrated angular momentum. 




Integrated angular momentum xcomponent. 




Integrated angular momentum ycomponent. 




Integrated angular momentum zcomponent. 




Specific angular momentum xcomponent. 




Specific angular momentum ycomponent. 




Specific angular momentum zcomponent. 




Rotation frequency. 




Zone gyrationaverage radius. 




Rotation/shear flow Richardson Number. 




Equatorial rotational velocity magnitude. 




Equatorial rotational velocity magnitude. 




Keplerian rotational velocity. 




Rotational velocity / critical velocity. 




Ratio of rotational velocity to Keplerian velocity. 




Equatorial rotational velocity xcomponent. 




Equatorial rotational velocity ycomponent. 




Equatorial rotational velocity zcomponent. 




Angular velocity magnitude. 




Angular velocity magnitude. 




Critical angular velocity. 




Rotation constant magnitude . 




Rotation constant magnitude. 




Rotation constant xcomponent. 




Rotation constant ycomponent. 




Rotation constant zcomponent. 




Keplerian angular velocity. 




Angular velocity / critical velocity. 




Ratio of angular velocity to Keplerian velocity. 




Angular velocity xcomponent. 




Angular velocity ycomponent. 




Angular velocity zcomponent. 




36Ar(a,g)40Ca (APPROX only). 




The ratio of the actual current abundance of to its “NSE” value based on the current abundance of neutron and protons. 




Radial component of magnetic field, . 




Toroidal component of magnetic field, . 




Diffision coefficient due to magnetic fields, . 




Viscosity due to magnetic fields, . 




12C(a,g)16O (APPROX only). 




(APPROX only) + followed by + + and + . 




12C+12C (APPROX only). 




12C+16O (APPROX only). 




4OCa(a,g)44Ti (APPROX only). 




Adiabatic sound speed. 




Isothermal sound speed. 




Column depth. 




Convection flag. 




Specific heat capacity at constant pressure. 




48Cr(a,g)52Fe (APPROX only). 




Thermal expansion coefficient. 




Diffusion coefficient for material mixing due to convection. 




Density. 




Density at which BURN coprocessing was last done in this zone. 




Zone thickness. 




Density at which the energy generation rate was last calculated. 




Optical thickness of zone. 




Current timestep for BURN coprocessing in this zone. 




Total change in during the current timestep. 




Total change in during the current timestep. 




Dynamic viscosity. 




Change in the abundance during this timestep. 




Total change in during the current timestep. 




Specific magnetic energy density. 




Average zonal nucleon binding energy at the end of the timestep
including contribution from energy in excited states if
iexciteh (p 171) 




Average zonal nucleon binding energy at the beginning of the
timestep including contribution from energy in nuclear excited
states if iexciteh (p 171) 




Magnetic energy density per volume. 




Specific electron energy including pairs. 




Total zonal electron capture plus positron decay neutrino loss rate. 




Partial derivative of the electron specific energy with respect to density including pairs. 




Total zonal electron decay neutrino loss rate. 




Partial derivative of the electron specific energy with respect to temperature including pairs. 




Average zonal energy in nuclear excited states. 




Specific gravitational energy generation rate. 




Specific ion energy. 




Partial derivative of the ion specific energy with respect to density. 




Partial derivative of the ion specific energy with respect to temperature. 




Specific energy density. 




( en / dn ):math:_{mathrm{tn}}. 




( en / tn ):math:_{mathrm{dn}}. 




Partial derivative of the total specific ,energy with respect to density. 




Partial derivative of the total specific energy with respect to temperature. 




Specific positron energy. 




Partial derivative of the positron specific energy with respect to density. 




Formerly, the total zonal positron decay neutrino loss rate. 




Partial derivative of the positron specific energy with respect to temperature. 




Specific radiation energy. 




Partial derivative of the radiative specific energy with respect to density. 




Partial derivative of the radiative specific energy with respect to temperature. 




Electron (negatron) degeneracy parameter (). 




BURN neutron excess. 




Partial derivative of the negatron degeneracy parameter with respect to density. 




Partial derivative of the negatron degeneracy parameter with respect to temperature. 




Electron degeneracy parameter (). 




Posltron degeneracy parameter (). 




52Fe(a,g)56Ni (APPROX only). 




52Fe(2n,g)54Fe (APPROX only). 




52Fe(a,2p)54Fe (APPROX only). 




54Fe(2p,g)56Ni (APPROX only). 




Adiabatic exponent, . 




Eddington Gamma. 




Adiabatic exponent defined by . 




Adiabatic exponent . 




Adiabatic exponent . 




Adiabatic exponent . 




Adiabatic exponent for electrons defined by . 




Adiabatic exponent defined by . 




Enhancement factor of gravity due to GR. 




Specific enthalpy. 




(APPROX only) + + + . 




(APPROX only) + followed by PPII and PPIII. 




4He(g,2p2n) (APPROX only). 




Pressure scale height. 




Enthalpy. 




Array of zonal convection sentinels ( 




Total number of iterations it took for ISE/NSE to converge in
this zone, or to 




Integer containing the Z and A of the isotope controlling the BURN timestep along with the KEPLER cycle that this zone was last burned coded in the form:. 




( column depth / 




New . 




Old . 




””. 




. 




(0). 




(0). 




(1). 




. 




(0). 




(1). 




Effective radiative opacity. 




Specific heat capacity . 




””. 




. 




Magneticallyinduced componennt of diffusion. 




Viscosity ?. 




Magnetic “viscousity” (0). 




Magnetic “viscousity” (1). 




Magnetic “viscousity” (1a). 




Magnetic “viscousity” (1b). 




””  logarithm of Coulmb length cutoff?. 




. 




. 




. 




Magnetic viscousity. 




Shear rate. 




Critical shear rate (0). 




Critical shear rate (1). 




Maximum of minimum shear values. 




. 




Effective magnetic stress. 




Magentic stress (0). 




Magentic stress (1). 




Magentic stress (1a). 




Magentic stress (1b). 




. 




Minimum stress. 




. 




Magneticallyinduced mixing timescale. 




Magneticallyinduced spindown timescale. 









Magneticallyinduced componennt of viscosity. 




(0). 




(1). 




24Mg(a,g)28Si (APPROX only). 




Mixing length used in calculating convection. 




Mean molecular weight. 




Mean molecular weight per electron. 




N(e+,v)p (APPROX and ISE). 




14N(a,g)18F (APPROX only). 




14N(p,g)15O (APPROX only). 




Atomic weight of the nucleus limiting the BURN zonal timestep. 




KEPLER cycle at which this zone was last coprocessed by BURN. 




20Ne(a,g)24Mg (APPROX and ISE). 




Number of the nuclear network currently used in the zone. 




Number of the BURN isotopic nuclear network used in this zone. 




Atomic number of the nucleus limiting the BURN zonal tirnestep. 




16O(a,g)20Ne (APPROX only). 




160(p,g)17F (APPROX only). 




16O+16O (APPROX and ISE). 




P(e,v)n (APPROX and ISE). 




(APPROX only) + + + followed by + . 




Abundance buffer (internal working array  see subroutine





Electron pressure including pairs. 




Partial derivative of the electron pressure with respect to density including pairs. 




Partial derivative of the electron pressure with respect to temperature including pairs. 




Ion pressure. 




Partial derivative of the ion pressure with respect to density. 




Partial derivative of the ion pressure with respect to temperature. 




Pressure. 




( pn / dn ):math:_{mathrm{tn}}. 




( pn / tn ):math:_{mathrm{dn}}. 




Partial derivative of the total pressure with respect to density. 




Partial derivative of the total pressure with respect to temperature. 




Positron pressure. 




Partial derivative of the positron pressure with respect to density. 




Partial derivative of the positron pressure with respect to temperature. 




Ion Abundance Array. 




Radiation pressure. 




Partial derivative of the radiation pressure with respect to density. 




Partial derivative of the radiation pressure with respect to temperature. 




Net photodisintegration flow downward from “i:24Mg. 




Calculated change in converged luminosity (during a cycle) and converged luminosity at last timestep (at the end of a cycle). 




Converged nonneutrino luminosity at the outer zone boundary. 




Photodisintegrationflowdeterrriined mass fraction of in the ISE calculation. 




Photodisintegrationflowdeterrnined mass fraction of in the ISE calculation. 




Photodisintegrationflowdeterrnined mass fraction of in the ISE calculation. 




Calculated change in radius (during a cycle) and radius at last timestep (at the end of a cycle). 




Total zonal electron capture rate. 




Total zonal electron decay rate. 




Integral of for mass exterior to the outer boundary of this zone. 




. 




Radius of outer zone boundary. 




Total zonal positron decay rate. 




32S(a,g)36Ar (APPROX only). 




Advection specofoc energy generation rate. 




BURN nuclear energy generation rate, excluding neutrino losses. 




Net ISE energy generation rate including all neutrino losses. 




Maximum of the net nuclear energy generation rate and zero. 




28Si(a,g)32S (APPROX only). 




Total entropy. 




Electron entropy (negatrons only). 




Ion entropy. 




Ionizatiqn entropy. 




Positron entropy. 




Radiation entropy. 




Total energy ‘loss’ rate, incl. neutrino loss and net nuclear loss (if any). 




Total energy generation rate – including neutrino losses. 




Last calculated partial derivative of the energy generation rate with respect to density. 




Last calculated partial derivative of the energy generation rate with respect to temperature. 




sn / ) . 




Neutrino loss rate where a positive value implies net loss. 




sneut / ) . 




sneut / ) . 




( ln sneut / ln ) . 




( ln sneut / ln ) . 




( ln sn / ln ) . 




( ln sn / ln ) . 




Nuclear energy generation rate excluding neutrino losses. 




Last calculated energy generation rate. 




sn / ) . 




.total “pair” neutrino energy loss rate. 




( snubps / ) . 




( snubps / ) . 




( ln snubps / ln ) . 




( ln snubps / ln ) . 




Nuclear energy generation rate. 




snuc / ) . 




snuc / ) . 




( ln snuc / ln ) . 




ISE nuclear energy generation rate minus plasma neutrino loss rate. 




( ln snuc / ln ) . 




ISE nuclear energy generation rate. 




Energy loss/gain due to weak processes. 




snuw / ) . 




snuw / ) . 




( ln snuw / ln ) . 




( ln snuw / ln ) . 




Total zonal entropy ( baryon). 




Old specific entropy. 




Shear viscous heating rate. 




Optical depth. 




Convective mixing time. 




Timescale for the and quasiequilibrium blocks to equilibrate. 




Calculated change in temperature (during a cycle) and temperature at last timestep (at the end of a cycle). 




44rri(a,g)48Cr (APPROX only). 




Time to which the BURN coprocessing in this zone has been updated. 




Temperature. 




Temperature at which BURN coprocessing was last done in this zone. 




Temperature at which the energy generation rate was last calculated. 




Local escape velocity w/r layers below. 




Velocity of the outer zone boundary. 




Kinematic viscosity. 




Neutronization rate (ISE only). 




Total zonal weak (i.e., neutronization) rate. 




Binding energy of zone. 




Christy Rosseland mean opacity. 




Rosseland mean opacity from Compton scattering. 




Effective Rosseland mean opacity due to electron heat conduction. 




IBEN2 Rosseland mean opacity. 




IBEN1 Rosselandmean opacity. 




Rosseland mean opacity. 




Partial derivative of the total opacity with respect to density. 




Partial derivative of the total opacity with respect to temperature. 




Total radiative Rosseland mean opacity. 




Calculated nonneutrino luminosity at the outer zone boundary. 




Zonal mass. 




Zone mass. 




Electron number density including pairs. 




Partial derivative of the electron number density with respect to density including pairs. 




Partial derivative of the electron number density with respect to temperature including pairs. 




Number density of ionized electrons. 




Electron number density without contribution from pairs (#/cc). 




Ion number density. 




Positron (or pair) number density. 




Column depth. 




Exterior binding energy. 




Electron abundance calculated for zone by the BURN coprocessor. 




The actual value of is less than yfqse by the
factor 




Quasiequilibrium value of based on the current abundance of neutron and protons and . 




Exterior mass coordinate. 




Outer mass coordinate. 




Mass interior to the outer boundary of this zone, as last considered by the BURN coprocessor. 




Last calculated total time derivative of the neutron abundance. 




Last calculated total time derivative of the proton abundance. 




Mean atomic charge. 




Interior binding energy. 




Interior mass coordinate. 




Interior mass coordinate. 




Viscous stress, including linear and quadratic artificial viscosity. 