J/A+A/530/A115 Rotating massive MS stars evolutionary models (Brott+, 2011)
Rotating massive main-sequence stars.
I: Grids of evolutionary models and isochrones.
Brott I., de Mink S.E., Cantiello M., Langer N., de Koter A., Evans C.J.,
Hunter I., Trundle C., Vink J.S.
<Astron. Astrophys. 530, A115 (2011)>
=2011A&A...530A.115B 2011A&A...530A.115B
ADC_Keywords: Models, evolutionary ; Isochrones ; Stars, dwarfs ;
Rotational velocities ; Abundances
Keywords: stars: abundances - stars: evolution - stars: early-type -
stars: rotation - stars: massive
Abstract:
We present a dense grid of evolutionary tracks and isochrones of
rotating massive main-sequence stars. We provide three grids with
different initial compositions tailored to compare with early OB stars
in the Small and Large Magellanic Clouds and in the Galaxy. Each grid
covers masses ranging from 5 to 60M☉ and initial rotation rates
between 0 and about 600km/s. To calibrate our models we used the
results of the VLT-FLAMES Survey of Massive Stars. We determine the
amount of convective overshooting by using the observed drop in
rotation rates for stars with surface gravities logg<3.2 to determine
the width of the main sequence. We calibrate the efficiency of
rotationally induced mixing using the nitrogen abundance
determinations for B stars in the Large Magellanic cloud. We describe
and provide evolutionary tracks and the evolution of the central and
surface abundances.
Description:
Isochrones up to hydrogen exhaustion for various rotational velocities
generated from the evolutionary models presented in this paper.
Mass Range: 5-60M☉, δM: 0.05M☉
Rotational velocity range: 0-540km/s , δv: 10km/s
Ages covered: 0-35Myrs , δt: 0.2Myrs
Ages and initial compositions are coded in the file names: Filename
Format: aiso_..dat
Evolutionary Models for various initial masses (5-60M☉) and
initial rotational velocities (0-∼550)km/s calculated until after core
hydrogen exhaustion. Many models continue until helium ignition.
Initial masses and rotational velocities at the zero age main sequence
velocities can be read from the filenames Filename Format:
f<Minit>-<Vzams>..track.dat
Chemical mixtures are indicated as "lmc", "smc" or "mw" for Large
Magellanic Cloud, Small Magellanic Cloud and Galactic initial
compositions, respectively. See the Paper for details.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
models.dat 33 663 List of models files
isochron.dat 35 528 List of isochrones files
evol/* . 663 Evolutionary models with Galactic, LMC and SMC
initial abundances
iso/* . 528 Isochrones generated from evolutionnary models
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Byte-by-byte Description of file: models.dat
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Bytes Format Units Label Explanations
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1- 2 I2 Msun Minit [5/60] Inital Mass
4- 6 I3 km/s Vzams [0/600] Inital rotational velocity
8- 10 A3 --- Comp Chemical mixture (lmc, smc or mw)
13- 33 A21 --- FileName Name of the file in subdirectory evol
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Byte-by-byte Description of file: isochron.dat
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Bytes Format Units Label Explanations
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1- 8 E8.3 yr Age [0/35e6] Age
10- 12 A3 --- Comp Chemical mixture (lmc, smc or mw)
15- 35 A21 ---- FileName Name of the file in subdirectory iso
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Byte-by-byte Description of file (#): evol/*
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Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 12 E12.6 yr t Time/age on evolutionary track
14- 22 F9.5 Msun Mass Mass
24- 35 F12.5 K Teff Effective temperature
37- 44 F8.5 [Lsun] logL Luminosity
46- 55 F10.5 Rsun R Radius
57- 65 F9.5 [Msun/yr] log(Mdot) Mass loss rate
67- 75 F9.5 [cm/s2] logg Surface gravity
77- 86 F10.5 km/s Vsurf Rotational velocity at the surface
88- 102 F15.5 d Prot Rotation period
104- 113 F10.5 km/s Vcrit ? Beakup velocity (asuming an Eddington
factor for pure election scattering) (1)
115- 123 F9.5 --- Ge Eddington Γe factor calculated
for pure electron scattering
125- 133 F9.5 [---] eps(H) [12] Hydrogen surface abundance (G1)
135- 143 F9.5 [---] eps(He) Helium surface abundance (G1)
145- 153 F9.5 [---] eps(Li) Lithium surface abundance (G1)
155- 163 F9.5 [---] eps(Be) Berilium surface abundance (G1)
165- 173 F9.5 [---] eps(B) Boron surface abundance (G1)
175- 183 F9.5 [---] eps(C) Carbon surface abundance (G1)
185- 193 F9.5 [---] eps(N) Nitrogen surface abundance (G1)
195- 203 F9.5 [---] eps(O) Oxygen surface abundance (G1)
205- 213 F9.5 [---] eps(F) Fluron surface abundance (G1)
215- 223 F9.5 [---] eps(Ne) Neon surface abundance (G1)
225- 233 F9.5 [---] eps(Na) Sodium surface abundance (G1)
235- 243 F9.5 [---] eps(Mg) Magnesium surface abundance (G1)
245- 253 F9.5 [---] eps(Al) Aluminium surface abundance (G1)
255- 263 F9.5 [---] eps(Si) Silicium surface abundance (G1)
265- 273 F9.5 [---] eps(Fe) Iron surface abundance (G1)
275- 286 E12.6 --- sH1 Surface mass fraction of H1 isotope
288- 299 E12.6 --- sHe3 Surface mass fraction of He3 isotope
301- 312 E12.6 --- sHe4 Surface mass fraction of He4 isotope
314- 325 E12.6 --- sLi7 Surface mass fraction of Li7 isotope
327- 338 E12.6 --- sBe9 Surface mass fraction of Be9 isotope
340- 351 E12.6 --- sB10 Surface mass fraction of B10 isotope
353- 364 E12.6 --- sB11 Surface mass fraction of B11 isotope
366- 377 E12.6 --- sC12 Surface mass fraction of C12 isotope
379- 390 E12.6 --- sC13 Surface mass fraction of C13 isotope
392- 403 E12.6 --- sN14 Surface mass fraction of N14 isotope
405- 416 E12.6 --- sN15 Surface mass fraction of N15 isotope
418- 429 E12.6 --- sO16 Surface mass fraction of O16 isotope
431- 442 E12.6 --- sO17 Surface mass fraction of O17 isotope
444- 455 E12.6 --- sO18 Surface mass fraction of O18 isotope
457- 468 E12.6 --- sF19 Surface mass fraction of F19 isotope
470- 481 E12.6 --- sNe20 Surface mass fraction of Ne20 isotope
483- 494 E12.6 --- sNe21 Surface mass fraction of Ne21 isotope
496- 507 E12.6 --- sNe22 Surface mass fraction of Ne22 isotope
509- 520 E12.6 --- sNa23 Surface mass fraction of Na23 isotope
522- 533 E12.6 --- sMg24 Surface mass fraction of Mg24 isotope
535- 546 E12.6 --- sMg25 Surface mass fraction of Mg26 isotope
548- 559 E12.6 --- sMg26 Surface mass fraction of Mg26 isotope
561- 572 E12.6 --- sAl26 Surface mass fraction of Al26 isotope
574- 585 E12.6 --- sAl27 Surface mass fraction of Al27 isotope
587- 598 E12.6 --- sSi28 Surface mass fraction of Si28 isotope
600- 611 E12.6 --- sSi29 Surface mass fraction of Si29 isotope
613- 624 E12.6 --- sSi30 Surface mass fraction of Si30 isotope
626- 637 E12.6 --- sFe56 Surface mass fraction of Fe56 isotope
639- 650 E12.6 --- cH1 Core mass fraction of H1 isotope
652- 663 E12.6 --- cHe3 Core mass fraction of He3 isotope
665- 676 E12.6 --- cHe4 Core mass fraction of He4 isotope
678- 689 E12.6 --- cLi7 Core mass fraction of Li7 isotope
691- 702 E12.6 --- cBe9 Core mass fraction of Be9 isotope
704- 715 E12.6 --- cB10 Core mass fraction of B10 isotope
717- 728 E12.6 --- cB11 Core mass fraction of B11 isotope
730- 741 E12.6 --- cC12 Core mass fraction of C12 isotope
743- 754 E12.6 --- cC13 Core mass fraction of C13 isotope
756- 767 E12.6 --- cN14 Core mass fraction of N14 isotope
769- 780 E12.6 --- cN15 Core mass fraction of N15 isotope
782- 793 E12.6 --- cO16 Core mass fraction of O16 isotope
795- 806 E12.6 --- cO17 Core mass fraction of O17 isotope
808- 819 E12.6 --- cO18 Core mass fraction of O18 isotope
821- 832 E12.6 --- cF19 Core mass fraction of F19 isotope
834- 845 E12.6 --- cNe20 Core mass fraction of Ne20 isotope
847- 858 E12.6 --- cNe21 Core mass fraction of Ne21 isotope
860- 871 E12.6 --- cNe22 Core mass fraction of Ne22 isotope
873- 884 E12.6 --- cNa23 Core mass fraction of Na23 isotope
886- 897 E12.6 --- cMg24 Core mass fraction of Mg24 isotope
899- 910 E12.6 --- cMg25 Core mass fraction of Mg25 isotope
912- 923 E12.6 --- cMg26 Core mass fraction of Mg26 isotope
925- 936 E12.6 --- cAl26 Core mass fraction of Al26 isotope
938- 949 E12.6 --- cAl27 Core mass fraction of Al27 isotope
951- 962 E12.6 --- cSi28 Core mass fraction of Si28 isotope
964- 975 E12.6 --- cSi29 Core mass fraction of Si29 isotope
977- 988 E12.6 --- cSi30 Core mass fraction of Si30 isotope
990-1001 E12.6 --- cFe56 Core mass fraction of Fe56 isotope
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Note (1): Blank for nan (no value)
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Byte-by-byte Description of file: iso/*
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Bytes Format Units Label Explanations
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1- 13 F13.4 yr t time/age of isochrone
15- 21 F7.4 Msun Mass Mass
23- 33 F11.4 K Teff Effective temperature
35- 41 F7.4 [Lsun] logL Luminosity
43- 52 F10.4 Rsun R Radius
54- 62 F9.4 [Msun/yr] log(Mdot) Mass loss rate
64- 72 F9.4 [s/cm2] logg Surface gravity
74- 82 F9.4 km/s Vsurf Rotational velocity at the surface
84- 97 F14.4 d Prot Rotation period
99-107 F9.4 km/s Vcrit Beakup velocity (asuming an Eddington
factor for pure election scattering)
109-115 F7.4 --- Ge Eddington Γe factor calculated for
pure electron scattering
117-124 F8.4 [---] eps(H) [12] Hydrogen surface abundance (G1)
126-133 F8.4 [---] eps(He) Helium surface abundance (G1)
135-142 F8.4 [---] eps(B) Boron surface abundance (G1)
144-150 F7.4 [---] eps(C) Carbon surface abundance (G1)
152-158 F7.4 [---] eps(N) Nitrogen surface abundance (G1)
160-166 F7.4 [---] eps(O) Oxygen surface abundance (G1)
168-174 F7.4 [---] eps(Ne) Neon surface abundance (G1)
176-182 F7.4 [---] eps(Na) Sodium surface abundance (G1)
184-190 F7.4 [---] eps(Mg) Magnesium surface abundance (G1)
192-198 F7.4 [---] eps(Si) Silicium surface abundance (G1)
200-208 F9.6 --- H1mf Surface mass fraction of H1 isotope
210-218 F9.6 --- He4mf Surface mass fraction of He4 isotope
220-226 F7.4 Msun Minit Inital Mass
228-235 F8.4 km/s vinit Inital rotational velocity
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Global notes:
Note (G1): log(element/hydrogen)+12
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Acknowledgements:
Ines Brott, ines.brott(at)univie.ac.at
History:
* 23-May-2011 : First version
* 07-Jul-2011 : Corrected model files
* 10-Nov-2011 : Corrected model files, evol/f*-0.*
(End) Patricia Vannier [CDS] 19-Apr-2011