Pulsations in red supergiants with high L/M ratio
Implications for the stellar and circumstellar structure of
supernova progenitors
by
A. Heger, L. Jeannin, N. Langer, & I. Baraffe
(1997, MPA 1021, A&A 327, 224-230)
The spin-up of contracting red supergiants
by
A. Heger & N. Langer
(1998, MPA 1082, A&A 334, 210-220)
Presupernova Evolution of Rotating Massive Stars I:
Numerical Method and Evolution of the Internal Stellar Structure
by
A. Heger,
N. Langer, &
S. E. Woosley
(2000, ApJ, 528, 368-296)
Presupernova Evolution of Rotating Massive Stars II:
Evolution of the Surface Properties
by
A. Heger &
N. Langer
(2001, ApJ, 544, 1016-1035;
astro-ph/0005110)
This work has been summarized in a publication in Astronomy and Astrophysics:
Stationary hydrodynamic models of Wolf-Rayet stars with optically thick winds
by
A. Heger and N. Langer (1996, A&A 315, 421-430)