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astro-ph.HE2025
Black Holes at high and low metallicity
Jorick S. Vink, Gautham N. Sabhahit, Ethan R. J. Winch
At the end of their lives the most massive stars collapse into black holes (BHs). The detection of an 85 BH from GW 190521 appeared to challenge the upper-mass limit im…
astro-ph.SR2025
The black hole - pair instability boundary for high stellar rotation
Ethan R. J. Winch, Gautham N. Sabhahit, Jorick S. Vink +1
The Pair Instability (PI) boundary is crucial for understanding heavy merging Black Holes (BHs) and the second mass gap's role in galactic chemical evolution. So far, no works have…