This is a $436,539 grant awarded by NASA to The Trustees of Columbia University in the City of New York for research on the impact of nucleosynthesis on accretion disks, outflows, and observable signatures associated with the merger of binary compact objects and the central engines of gamma-ray bursts and supernovae. The research program will investigate rapid accretion following the tidal disruption of a white dwarf by a neutron star or black hole, as well as the long-term evolution of accretion disks formed from the coalescence of neutron star-neutron star or neutron star-black hole binaries. The goal is to shed light on the central engines of high-energy transient events and provide insights relevant to NASA missions like Swift, MAXI, and Fermi. This grant does not have a set-aside designation and runs through March 16, 2020.
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