Hello and welcome to my personal webpage! I am a stellar astrophysicist with a broad interest in massive stars. I have experience in stellar evolution modelling following the life and death of massive stars, as well as atmosphere modelling studying their strong stellar wind structure and mass-loss physics.
Recent Publications
- A new mass estimate method with hydrodynamical atmospheres for very massive WNh stars
Gautham N. Sabhahit, Jorick S. Vink, Andreas A. C. Sander, Matheus Bernini-Peron, Paul A. Crowther, Roel R. Lefever, Tomer Shenar
Very massive stars with masses over 100 Msun are key objects in the Universe for our understanding of chemical and energetic feedback in the Universe, but their evolution and fate... - Stellar expansion or inflation?
Gautham N. Sabhahit, Jorick S. Vink
While stellar expansion after core-hydrogen exhaustion related to thermal imbalance has been documented for decades, the physical phenomenon of stellar inflation that occurs close to the Eddington limit has only... - Very massive stars and pair-instability supernovae: mass-loss framework for low metallicity
Gautham N. Sabhahit, Jorick S. Vink, Andreas A. C. Sander, Erin R. Higgins
Very massive stars (VMS) up to 200-300 M⊙ have been found in the Local Universe. If they would lose little mass, they produce intermediate-mass black holes or pair-instability supernovae (PISNe)....