Abstract
Neutrinos from a Galactic core-collapse supernova will be measured by neutrino detectors minutes to days before an optical signal reaches Earth. We present a novel calculation showing the ability of current and near-future neutrino detectors to make fast predictions of the progenitor distance and place constraints on the zero-age main sequence mass in order to inform the observing strategy for electromagnetic follow-up. We show that for typical Galactic supernovae, the distance can be constrained with an uncertainty of 5\% using IceCube or Hyper-K and, furthermore, the zero-age main sequence mass can be constrained for extremal values of compactness.
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