GRACKLE: a chemistry and cooling library for astrophysics

Britton D. Smith, Greg L. Bryan, Simon C. O. Glover, Nathan J. Goldbaum, Matthew J. Turk, John Regan, John H. Wise, Hsi-Yu Schive, Tom Abel, Andrew Emerick, Brian W. O'Shea, Peter Anninos, Cameron B. Hummels, Sadegh Khochfar

Research output: Contribution to journalArticlepeer-review

Abstract

We present the GRACKLE chemistry and cooling library for astrophysical simulations and models. GRACKLE provides a treatment of non-equilibrium primordial chemistry and cooling for H, D and He species, including H2 formation on dust grains; tabulated primordial and metal cooling; multiple ultraviolet background models; and support for radiation transfer and arbitrary heat sources. The library has an easily implementable interface for simulation codes written in C, C++ and FORTRAN as well as a PYTHON interface with added convenience functions for semi-analytical models. As an open-source project, GRACKLE provides a community resource for accessing and disseminating astrochemical data and numerical methods. We present the full details of the core functionality, the simulation and PYTHON interfaces, testing infrastructure, performance and range of applicability. GRACKLE is a fully open-source project and new contributions are welcome.
Original languageEnglish
Pages (from-to)2217-2234
JournalMonthly Notices of the Royal Astronomical Society
Volume466
Issue number2
DOIs
Publication statusPublished - 17 Dec 2016

Keywords

  • astrochemistry
  • methods: numerical
  • galaxies: formation

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