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With the advent of modern neutrino and gravitational wave detectors, thepromise of multi-messenger detections of the next galactic core-collapsesupernova has become very real. Such detections will give insight into thecore-collapse supernova mechanism, the structure of the progenitor star, andmay resolve longstanding questions in fundamental physics. In order to properlyinterpret these detections, a thorough understanding of the landscape ofpossible core-collapse supernova events, and their multi-messenger signals, isneeded. We present detailed predictions of neutrino and gravitational wavesignals from 1D simulations of stellar core collapse, spanning the landscape ofcore-collapse progenitors from $9-120\,\mathrm{M}_{\odot}$. In order to achieveexplosions in 1D, we use the STIR model, which includes the effects ofturbulence and convection in 1D supernova simulations to mimic the 3D explosionmechanism. We study the gravitational wave emission from the 1D simulationsusing an astroseismology analysis of the proto-neutron star. We find that theneutrino and gravitational wave signals are strongly correlated with thestructure of the progenitor star and remnant compact object. Using thesecorrelations, future detections of the first few seconds of neutrino andgravitational wave emission from a galactic core-collapse supernova may be ableto provide constraints on stellar evolution independent of pre-explosionimaging and the mass of the compact object remnant prior to fallback accretion.

Constraining properties of the next nearby core-collapse supernova with multi-messenger signals