2019MNRAS.486.4451G

Query : 2019MNRAS.486.4451G

2019MNRAS.486.4451G - Mon. Not. R. Astron. Soc., 486, 4451-4462 (2019/July-1)

Effects of winds on the leftover hydrogen in massive stars following Roche lobe overflow.

GILKIS A., VINK J.S., ELDRIDGE J.J. and TOUT C.A.

Abstract (from CDS):

We find that applying a theoretical wind mass-loss rate from Monte Carlo radiative transfer models for hydrogen-deficient stars results in significantly more leftover hydrogen following stable mass transfer through Roche lobe overflow than when we use an extrapolation of an empirical fit for Galactic Wolf-Rayet stars, for which a negligible amount of hydrogen remains in a large set of binary stellar evolution computations. These findings have implications for modelling progenitors of Types Ib and IIb supernovae. Most importantly, our study stresses the sensitivity of the stellar evolution models to the assumed mass-loss rates and the need to develop a better theoretical understanding of stellar winds.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): binaries: close - stars: evolution - stars: massive - stars: mass-loss - supernovae: general - stars: winds, outflows

Status at CDS : Large table(s) will be appraised for possible ingestion in VizieR.

Simbad objects: 9

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Number of rows : 9
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 SN 2016gkg SN* 01 34 14.46 -29 26 25.0           SNII 126 0
2 HD 45166 WR* 06 26 19.1551917864 +07 58 28.063354980 9.05 9.81 9.88     WRpec+B8V 101 1
3 SN 1993J SN* 09 55 24.77476 +69 01 13.7026   10.8 12.0     SNIIb 1507 1
4 SN 2013df SN* 12 26 29.33 +31 13 38.3           SNIIb 142 1
5 SN 2008ax SN* 12 30 40.80 +41 38 16.1   23.6 23.5 14.1 22.6 SNIIb 295 1
6 SN 2011dh SN* 13 30 05.10555 +47 10 10.9227           SNIIb 445 1
7 * ups Sgr Be* 19 21 43.6225957281 -15 57 18.062726294 4.18 4.71 4.61 4.34 4.21 B2Vp_sh 312 0
8 NAME Cas A SNR 23 23 26.0 +58 48 41     14.30     ~ 3033 1
9 NAME Local Group GrG ~ ~           ~ 9325 0

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