The Formation of Black Holes in Failing Core-Collapse Supernovae

Details The Formation of Black Holes in Failing Core-Collapse Supernovae The Formation of Black Holes in Failing Core-Collapse Supernovae

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21442707o&link_type=abstract

American Astronomical Society, AAS Meeting #214, #427.07; Bulletin of the American Astronomical Society, Vol. 41, p.697

Astronomy and Astrophysics

Astronomy

Scientific paper

We present new simulations of black hole formation in dying massive stars using 1D GR hydrodynamics, multiple finite-temperature nuclear equations of state and parameterized neutrino heating and cooling. Via a sweep through the progenitor mass range from 10 to 100 solar masses, metallicity from zero to solar and various neutrino luminosities/heating efficiencies, we establish for the first time in a systematic fashion the conditions necessary for black hole formation to occur in the limiting case of spherically-symmetric postbounce core-collapse dynamics. Since multi-D effects such as rotation or convective overturn can act only to prolong the time to black hole formation or prevent it altogether, our new results also constrain collapsar/GRB progenitor stellar structure.

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