Astrophysics and Space Science

, Volume 336, Issue 1, pp 151-156

First online:

New open-source approaches to the modeling of stellar collapse and the formation of black holes

  • C. D. OttAffiliated withTAPIR, California Institute of Technology Email author 
  • , E. O’ConnorAffiliated withTAPIR, California Institute of Technology
  • , F. PengAffiliated withTAPIR, California Institute of Technology
  • , C. ReisswigAffiliated withTAPIR, California Institute of Technology
  • , U. SperhakeAffiliated withTAPIR, California Institute of Technology
  • , E. SchnetterAffiliated withCCT, Louisiana State University
  • , E. AbdikamalovAffiliated withCCT, Louisiana State University
  • , P. DienerAffiliated withCCT, Louisiana State University
  • , F. LöfflerAffiliated withCCT, Louisiana State University
    • , I. HawkeAffiliated withSchool of Mathematics, University of Southampton
    • , C. A. MeakinAffiliated withSteward Observatory, The University of Arizona
    • , A. BurrowsAffiliated withDepartment of Astrophysical Sciences, Princeton University

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We present new approaches to the simulation of stellar collapse, the formation of black holes, and explosive core-collapse supernova nucleosynthesis that build upon open-source codes and microphysics. We discuss the new spherically-symmetric general-relativistic (GR) collapse code GR1D that is endowed with an approximate 1.5D treatment of rotation, comes with multiple nuclear equations of state, and handles neutrinos with a multi-species leakage scheme. Results from a first set of spinning black hole formation simulations are presented. We go on to discuss the derivative code GR1D+N which is tuned for calculations of explosive nucleosynthesis and includes a NSE/non-NSE equation of state treatment, and a nuclear reaction network. We present sample results showing GR1D+N’s performance in reproducing previous results with thermal-bomb-driven explosions. Finally, we introduce the 3 + 1 GR Zelmani core collapse simulation package and present first results obtained in its application to the 3D modeling of failing core-collapse supernovae.


Stellar collapse Black holes Supernovae