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=2009aps..apr.w8002o&link_type=abstract

American Physical Society, 2009 APS April Meeting, May 2-5, 2009, abstract #W8.002

Physics

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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