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Published August 12, 2010 | Published
Book Section - Chapter Open

Studies of Stellar Collapse and Black Hole Formation with the Open-Source Code GR1D


We discuss results from simulations of black hole formation in failing core-collapse supernovae performed with the code GR1D, a new open-source Eulerian spherically-symmetric general-relativistic hydrodynamics code. GR1D includes rotation in an approximate way (1.5D) comes with multiple finite-temperature nuclear equations of state (EOS), and treats neutrinos in the post-core-bounce phase via a 3-flavor leakage scheme and a heating prescription. We chose the favored K_0 = 220 MeV-variant of the Lattimer & Swesty (1990) EOS and present collapse calculations using the progenitor models of Limongi & Chieffi (2006). We show that there is no direct (or "prompt") black hole formation in the collapse of ordinary massive stars (8M_☉ ≲ M_(ZAMS) ≲ 100 M_☉) present first results from black hole formation simulations that include rotation.

Additional Information

© 2010 American Institute of Physics. Issue Date: 12 August 2010. It is a pleasure to thank the organizers of the OMEG10 symposium. Furthermore, we acknowledge helpful and stimulating conversations with W. D. Arnett, A. Burrows, M. Duez, T. Fischer, C. Fryer, J. Lattimer, C. Meakin, F. Peng, C. Reisswig, E. Schnetter, H. Shen, U. Sperhake, K. Sumiyoshi, F. Timmes, K. Thorne, and H. Toki. CDO is supported in part by the National Science Foundation under grant numbers AST-0855535 and OCI-0905046. EOC is supported in part through a post-graduate fellowship from the Natural Sciences and Engineering Research Council of Canada (NSERC). Computations were performed on the Louisiana Optical Network Infrastructure computer systems under allocation loni_numrel04.

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