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2020ApJ...894L..25S - Astrophys. J., 894, L25-L25 (2020/May-2)

Data-driven detection of multimessenger transients.

SADEH I.

Abstract (from CDS):

The primary challenge in the study of explosive astrophysical transients is their detection and characterization using multiple messengers. For this purpose, we have developed a new data-driven discovery framework, based on deep learning. We demonstrate its use for searches involving neutrinos, optical supernovae, and gamma-rays. We show that we can match or substantially improve upon the performance of state-of-the-art techniques, while significantly minimizing the dependence on modeling and on instrument characterization. Particularly, our approach is intended for near- and real-time analyses, which are essential for effective follow-up of detections. Our algorithm is designed to combine a range of instruments and types of input data, representing different messengers, physical regimes, and temporal scales. The methodology is optimized for agnostic searches of unexpected phenomena, and has the potential to substantially enhance their discovery prospects.

Abstract Copyright: © 2020. The American Astronomical Society. All rights reserved.

Journal keyword(s): Transient detection - Time series analysis - Gamma-ray transient sources - Neutrino astronomy - Neural networks - Gamma-ray bursts

Simbad objects: 2

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2021.03.04-11:47:04

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