How to search for multiple messengers -- a general framework beyond two messengers

Abstract

Quantification of the significance of a candidate multi-messenger detection of cosmic events is an emerging need in the astrophysics and astronomy communities. In this paper we show that a model-independent optimal search does not exist, and we present a general Bayesian method for the optimal model-dependent search, which is scalable to any number and any kind of messengers, and applicable to any model. In the end, we demonstrate it through an example for a joint gravitational wave, high-energy neutrino, short gamma-ray burst event search; which has not been examined heretofore.

arXiv comment8 pages

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Cited by in corpus (8)

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• Swift X-ray Follow-Up Observations of Gravitational Wave and High-Energy Neutrino Coincident Signals
• A Unified $p_{\mathrm{astro}}$ for Gravitational Waves: Consistently Combining Information from Multiple Search Pipelines
• Testing the Ampère-Maxwell law on the photon mass and Lorentz-Poincaré symmetry violation with MMS multi-spacecraft data
• Assessing coincident neutrino detections using population models
• A hierarchical Bayesian approach to point source analysis in high-energy neutrino telescopes
• An Archival Search for Neutron-Star Mergers in Gravitational Waves and Very-High-Energy Gamma Rays
• Enhancing the significance of astrophysical events with multimessenger coincidences