stellar

Contents

stellar.c 

Subroutines that control the evolution of the star.

Author

Date

May 12 2015

Description

This module implements the Baraffe stellar evolution tracks :cite:`Baraffe15`, the Ribas XUV evolution model :cite:`Ribas05`, and a simple wind/magnetic braking model.

Functions

void BodyCopyStellar(BODY *dest, BODY *src, int foo, int iNumBodies, int iBody)

void ReadSatXUVFrac(BODY *body, CONTROL *control, FILES *files, OPTIONS *options, SYSTEM *system, int iFile)

void ReadSatXUVTime(BODY *body, CONTROL *control, FILES *files, OPTIONS *options, SYSTEM *system, int iFile)

void ReadXUVBeta(BODY *body, CONTROL *control, FILES *files, OPTIONS *options, SYSTEM *system, int iFile)

void ReadStellarModel(BODY *body, CONTROL *control, FILES *files, OPTIONS *options, SYSTEM *system, int iFile)

void ReadMagBrakingModel(BODY *body, CONTROL *control, FILES *files, OPTIONS *options, SYSTEM *system, int iFile)

void ReadWindModel(BODY *body, CONTROL *control, FILES *files, OPTIONS *options, SYSTEM *system, int iFile)

void ReadXUVModel(BODY *body, CONTROL *control, FILES *files, OPTIONS *options, SYSTEM *system, int iFile)

void ReadHZModel(BODY *body, CONTROL *control, FILES *files, OPTIONS *options, SYSTEM *system, int iFile)

void ReadRossbyCut(BODY *body, CONTROL *control, FILES *files, OPTIONS *options, SYSTEM *system, int iFile)

void ReadEvolveRG(BODY *body, CONTROL *control, FILES *files, OPTIONS *options, SYSTEM *system, int iFile)

void ReadLuminosityAmplitude(BODY *body, CONTROL *control, FILES *files, OPTIONS *options, SYSTEM *system, int iFile)

void ReadLuminosityPeriod(BODY *body, CONTROL *control, FILES *files, OPTIONS *options, SYSTEM *system, int iFile)

void ReadLuminosityPhase(BODY *body, CONTROL *control, FILES *files, OPTIONS *options, SYSTEM *system, int iFile)

void ReadHaltEndBaraffeGrid(BODY *body, CONTROL *control, FILES *files, OPTIONS *options, SYSTEM *system, int iFile)

void InitializeOptionsStellar(OPTIONS *options, fnReadOption fnRead[])

void ReadOptionsStellar(BODY *body, CONTROL *control, FILES *files, OPTIONS *options, SYSTEM *system, fnReadOption fnRead[], int iBody)

void VerifyRotRate(BODY *body, CONTROL *control, OPTIONS *options, UPDATE *update, double dAge, int iBody)

void VerifyLostAngMomStellar(BODY *body, CONTROL *control, OPTIONS *options, UPDATE *update, double dAge, int iBody)

void VerifyLostEngStellar(BODY *body, CONTROL *control, OPTIONS *options, UPDATE *update, double dAge, int iBody)

void NoSineWaveOptions(BODY *body, CONTROL *control, OPTIONS *options, int iBody)

void VerifyStellarBaraffe(BODY *body, CONTROL *control, OPTIONS *options, int iBody)

void VerifyStellarProximaCen(BODY *body, CONTROL *control, OPTIONS *options, int iBody)

void VerifyStellarSineWave(BODY *body, CONTROL *control, OPTIONS *options, int iBody)

void VerifyStellarNone(BODY *body, CONTROL *control, OPTIONS *options, int iBody)

void InitializeUpdateLuminosity(UPDATE *update, int iBody)

void VerifyLuminosity(BODY *body, CONTROL *control, OPTIONS *options, UPDATE *update, double dAge, int iBody)

void VerifyRadius(BODY *body, CONTROL *control, OPTIONS *options, UPDATE *update, double dAge, int iBody)

void VerifyRadGyra(BODY *body, CONTROL *control, OPTIONS *options, UPDATE *update, double dAge, int iBody)

void VerifyTemperature(BODY *body, CONTROL *control, OPTIONS *options, UPDATE *update, double dAge, int iBody)

void fnPropsAuxStellar(BODY *body, EVOLVE *evolve, IO *io, UPDATE *update, int iBody)

void fnForceBehaviorStellar(BODY *body, MODULE *module, EVOLVE *evolve, IO *io, SYSTEM *system, UPDATE *update, fnUpdateVariable ***fnUpdate, int iBody, int iModule)

void AssignStellarDerivatives(BODY *body, EVOLVE *evolve, UPDATE *update, fnUpdateVariable ***fnUpdate, int iBody)

void NullStellarDerivatives(BODY *body, EVOLVE *evolve, UPDATE *update, fnUpdateVariable ***fnUpdate, int iBody)

void VerifyStellar(BODY *body, CONTROL *control, FILES *files, OPTIONS *options, OUTPUT *output, SYSTEM *system, UPDATE *update, int iBody, int iModule)

void InitializeModuleStellar(CONTROL *control, MODULE *module)

void InitializeUpdateStellar(BODY *body, UPDATE *update, int iBody)

void FinalizeUpdateEccStellar(BODY *body, UPDATE *update, int *iEqn, int iVar, int iBody, int iFoo)

void FinalizeUpdateLuminosityStellar(BODY *body, UPDATE *update, int *iEqn, int iVar, int iBody, int iFoo)

void FinalizeUpdateRadiusStellar(BODY *body, UPDATE *update, int *iEqn, int iVar, int iBody, int iFoo)

void FinalizeUpdateRadGyraStellar(BODY *body, UPDATE *update, int *iEqn, int iVar, int iBody, int iFoo)

void FinalizeUpdateRotRateStellar(BODY *body, UPDATE *update, int *iEqn, int iVar, int iBody, int iFoo)

void FinalizeUpdateLostAngMomStellar(BODY *body, UPDATE *update, int *iEqn, int iVar, int iBody, int iFoo)

void FinalizeUpdateLostEngStellar(BODY *body, UPDATE *update, int *iEqn, int iVar, int iBody, int iFoo)

void FinalizeUpdateTemperatureStellar(BODY *body, UPDATE *update, int *iEqn, int iVar, int iBody, int iFoo)

void FinalizeUpdateOblStellar(BODY *body, UPDATE *update, int *iEqn, int iVar, int iBody, int iFoo)

void FinalizeUpdateSemiStellar(BODY *body, UPDATE *update, int *iEqn, int iVar, int iBody, int iFoo)

int fbHaltEndBaraffeGrid(BODY *body, EVOLVE *evolve, HALT *halt, IO *io, UPDATE *update, fnUpdateVariable ***fnUpdate, int iBody)

void CountHaltsStellar(HALT *halt, int *iHalt)

void VerifyHaltStellar(BODY *body, CONTROL *control, OPTIONS *options, int iBody, int *iHalt)

void WriteLuminosity(BODY *body, CONTROL *control, OUTPUT *output, SYSTEM *system, UNITS *units, UPDATE *update, int iBody, double *dTmp, char cUnit[])

void WriteTemperature(BODY *body, CONTROL *control, OUTPUT *output, SYSTEM *system, UNITS *units, UPDATE *update, int iBody, double *dTmp, char cUnit[])

void WriteLXUV(BODY *body, CONTROL *control, OUTPUT *output, SYSTEM *system, UNITS *units, UPDATE *update, int iBody, double *dTmp, char cUnit[])

void WriteLXUVFrac(BODY *body, CONTROL *control, OUTPUT *output, SYSTEM *system, UNITS *units, UPDATE *update, int iBody, double *dTmp, char cUnit[])

void WriteRossbyNumber(BODY *body, CONTROL *control, OUTPUT *output, SYSTEM *system, UNITS *units, UPDATE *update, int iBody, double *dTmp, char cUnit[])

void WriteDRotPerDtStellar(BODY *body, CONTROL *control, OUTPUT *output, SYSTEM *system, UNITS *units, UPDATE *update, int iBody, double *dTmp, char cUnit[])

void InitializeOutputStellar(OUTPUT *output, fnWriteOutput fnWrite[])

void LogOptionsStellar(CONTROL *control, FILE *fp)

void LogStellar(BODY *body, CONTROL *control, OUTPUT *output, SYSTEM *system, UPDATE *update, fnWriteOutput fnWrite[], FILE *fp)

void LogBodyStellar(BODY *body, CONTROL *control, OUTPUT *output, SYSTEM *system, UPDATE *update, fnWriteOutput fnWrite[], FILE *fp, int iBody)

void AddModuleStellar(CONTROL *control, MODULE *module, int iBody, int iModule)

double fdLuminosity(BODY *body, SYSTEM *system, int *iaBody)

double fdRadius(BODY *body, SYSTEM *system, int *iaBody)

double fdTemperature(BODY *body, SYSTEM *system, int *iaBody)

double fdRadGyra(BODY *body, SYSTEM *system, int *iaBody)

double fdDRadiusDtStellar(BODY *body, SYSTEM *system, int *iaBody): Compute the instataneous change in stellar radius according to the Baraffe models. Valid for the Baraffe stellar models

double fdDRadGyraDtStellar(BODY *body, SYSTEM *system, int *iaBody): Compute the instataneous change in stellar radius according to the Baraffe models. Valid for the Baraffe stellar models

double fdDEDtPotConStellar(BODY *body, SYSTEM *system, int *iaBody): Compute instataneous change in potential energy due to stellar radius evolution Note that this energy is released as radiation

double fdDEDtRotConStellar(BODY *body, SYSTEM *system, int *iaBody): Compute instataneous change in rotational energy due to stellar radius evolution and considering angular momentum conservation

double fdDEDtRotRadGyraStellar(BODY *body, SYSTEM *system, int *iaBody): Compute instataneous change in rotational energy due to stellar radius of gyration evolution and considering angular momentum conservation

double fdDEDtRotBrakeStellar(BODY *body, SYSTEM *system, int *iaBody): Compute instataneous change in rotational energy due to stellar magnetic braking

double fdDEDtStellar(BODY *body, SYSTEM *system, int *iaBody): Compute total energy lost due to stellar evolution

double fdDJDtMagBrakingStellar(BODY *body, SYSTEM *system, int *iaBody): Calculate dJ/dt due to magnetic braking. This is from Reiners & Mohanty (2012); see eqn. (2.14) in Miles Timpe’s Master’s Thesis. Can also selected Skumanich 1972 model or no model

double fdDRotRateDtRadGyra(BODY *body, SYSTEM *system, int *iaBody): Compute the change in rotation rate when the radius of gyration changes via conservation of angular momentum: dw/dt = -2 dRG/dt * w/RG

double fdDRotRateDtCon(BODY *body, SYSTEM *system, int *iaBody): Compute the change in rotation rate when the radius changes via conservation of angular momentum: dw/dt = -2 dR/dt * w/R

double fdDRotRateDtMagBrake(BODY *body, SYSTEM *system, int *iaBody): Compute the change in rotation rate due to magnetic braking via dw/dt = dJ/dt / I for moment of inertia I

double fdDRotRateDt(BODY *body, SYSTEM *system, int *iaBody): Compute the change in rotation rate when the radius and total angular momentum are changing.

double fdLuminosityFunctionBaraffe(double dAge, double dMass)

double fdRadiusFunctionBaraffe(double dAge, double dMass)

double fdRadGyraFunctionBaraffe(double dAge, double dMass)

double fdTemperatureFunctionBaraffe(double dAge, double dMass)

double fdLuminosityFunctionProximaCen(double dAge, double dMass)

double fdTemperatureFunctionProximaCen(double dAge, double dMass)

double fdRadiusFunctionProximaCen(double dAge, double dMass)

double fdCranmerSaar2011TauCZ(double Teff)

double fdSurfEnFluxStellar(BODY *body, SYSTEM *system, UPDATE *update, int iBody, int iFoo)

double fdLuminosityFunctionSineWave(BODY *body, int iBody)

stellar.h 

Subroutines that control the evolution of the star.

Author: Rodrigo Luger (rodluger@gmail.com)
Date: May 12 2015

Defines

LSUN: Solar luminosity (W)

TSUN: Solar TEff (K)

RM12OMEGACRIT: Critical angular velocity (1/s) from Reiners & Mohanty (2012) \

RM12OMEGACRITFULLYCONVEC: Critical angular velocity (1/s) for fully convective stars, \ Reiners & Mohanty (2012)

RM12CONST: dJ/dt constant [(kg^5 m^-10 s^-3)^1/3] from Reiners & \ Mohanty (2012)

SK72CONST: dJ/dt constant from Skumanich 1972 (Repetto+2014)

MATT15T0: Matt+2015 T0 constant in Joules

MATT15X: Matt+2015 saturation ratio threshold

MATT15R0SUN: Matt+2015 solar Rossby number

MATT15TAUCZ: Matt+2015 solar TauCZ value in s

MATT15OMEGASUN: Matt+2015 solar angular rotation frequency in s^-1

ROSSBYCRIT: Critical Rossby number above which magnetic braking shuts off \ according to van Saders+2018

STELLAR_MODEL_NONE

STELLAR_MODEL_BARAFFE

STELLAR_MODEL_REINERS

STELLAR_MODEL_CONST

STELLAR_MODEL_RIBAS

STELLAR_MODEL_PROXIMACEN

STELLAR_MODEL_SINEWAVE

STELLAR_DJDT_NONE: No stellar angular momentum loss via magnetic braking

STELLAR_DJDT_RM12: dJ/dt according to Reiners & Mohanty 2012

STELLAR_DJDT_SK72: dJ/dt according to Skumanich 1972 empirical law

STELLAR_DJDT_MA15: dJ/dt according to Matt+2015

HZ_MODEL_KOPPARAPU

DRYRGFLUX: W/m^2 from Abe et al. (2011)

OPTSTARTSTELLAR: Start of Stellar options

OPTENDSTELLAR: End of Stellar options

OPT_SATXUVFRAC: Saturation XUV luminosity fraction

OPT_STELLARMODEL: Luminosity evolution model

OPT_WINDMODEL: Wind model

OPT_XUVMODEL: XUV evol model

OPT_HALTENDBARAFFEFGRID: Halt when we reach the end of the Baraffe grid?

OPT_SATXUVTIME: XUV saturation time

OPT_XUVBETA: XUV power law decay exponent

OPT_ROSSBYCUT

OPT_HZMODEL: Habitable zone model

OPT_MAGBRAKINGMODEL: Magnetic braking model

OPT_EVOVLERG: Whether or not to evolve stellar radius of gyration

OPT_LUMAMPLITUDE

OPT_LUMPERIOD

OPT_LUMPHASE

STELLARHALTSYSEND

STELLARHALTBODYEND

OUTSTARTSTELLAR

OUTENDSTELLAR

OUT_LUMINOSITY

OUT_LXUV

OUT_TEMPERATURE

OUT_LXUVFRAC

OUT_ROSSBYNUMBER

OUT_DROTPERDTSTELLAR

stellar

stellar.c

stellar.h

stellar.c 

stellar.h 