What does this research mean for the field?

A statistically significant temporal correlation exists between the Class-H ISP BL Lac X-ray bright AGN source 1WGA J0506.6-0857 and an IceCube GOLD high-significance neutrino event. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

The aim is to identify correlations between ISP BL Lac AGN sources and high-significance neutrino events from IceCube.

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June 2, 2026Open Access

ISP BL Lac X-ray Bright AGN Survey: Class-H Spectral Hardening and IceCube GOLD Neutrino Event Temporal Correlation

Key Points

The aim is to identify correlations between ISP BL Lac AGN sources and high-significance neutrino events from IceCube.
Cross-matched 242 ISP BL Lac AGN sources with IceCube GOLD neutrino events.
Classified sources based on Class-H spectral hardening.
Used a temporal correlation window of ±30 days and conducted Poisson significance testing.
Identified 1 Class-H AGN source (1WGA J0506.6-0857) with a p-value of 0.03739 within the GOLD observation period.

Abstract

Complete cross-match of 242 ISP BL Lac X-ray bright AGN sources with IceCube GOLD high-significance neutrino events. Analysis includes Class-H spectral hardening source classification, temporal correlation window ±30 days, and Poisson significance testing. Identifies 1 Class-H source (1WGA J0506.6-0857, p=0.03739) within GOLD observation period.

ISP BL Lac X-ray Bright AGN Survey: Class-H Spectral Hardening and IceCube GOLD Neutrino Event Temporal Correlation

Key Points

Abstract

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