Table of Contents

Models (exercise #1)

The table below organises the data used in each exercise. Data consists in packages compresses with .tar.gz or zip, which can be downloaded by clicking on the provided links.

Data

Package Date Author Description Format Download
wp121130_ex1-smodels08/03/2022 J. Christensen-Daalsgard Model-S gong, amdl ( ex1-smodels.tar.gz)
wp121130_ex1-omodels(tbd) ALL oscillations - ( ex1-frequencies.tar.gz)

Global Parameters

Model Mass [Fe/H] alpha ovsh Nshell Phase EH BV Notes
0-001 1.00 +0.0 2.09 0.0 4962 MS Model S (updated, 2005 OP EOS)
0-002 1.00 +0.0 2.09 0.0 4962 MS Model S (with full analytical CEFF)

Physics

Code ASTEC (ongoing updates)
Convection Boehm-Vitense 1958 MLT, solar calibrated (alpha = 2.08984)
Overshoot None, for now
Extra mixing None, for now
gradT N/A, for now
Wind None
Atmosphere Fit to VAL C atmosphere
Nuclear rates Adelberger et al. 2011, which includes de “low” value of LUNA's N14+p
Screening Weak (Salpeter)
EOS Default: OPAL 2005 / Models _ceff_: CEFF
Opacities OPAL + Ferguson 2005 for low temperatures
mDiffusion Models _zdif_: He and heavy elements modelled as oxygen
rLevitation No
Relevant constants
G 6.67232e-8 (cgs)
References Christensen-Dalsgaard(2008) Christensen-Dalsgaard (2021)

Test on EH & BV

The most significant point is that the model using the OP equation of state shows departures probably related to the interpolation in the equation of state, which are absent in the CEFF model.

Tests for modelS (1-001)

Tests for modelS (1-002)

Notes about the tests