What question did this study set out to answer?

The research aims to examine the X-ray spectra of ISP BL Lac objects and discover correlations with IceCube events.

June 2, 2026Open Access

ISP BL Lac X-ray Survey with IceCube Temporal Correlation: Discovery of Class-H Spectral Hardening Source

Key Points

The research aims to examine the X-ray spectra of ISP BL Lac objects and discover correlations with IceCube events.
Conducted a complete X-ray spectral survey of 347 ISP BL Lac objects from the 4LAC-DR3 catalog.
Identified sources exhibiting spectral hardening properties.
Performed cross-correlation analysis with IceCube GOLD events across defined temporal windows.
Discovered a unique class of sources that exhibit spectral hardening characteristics.
Significant correlation found between the spectral hardening sources and IceCube GOLD events.

Abstract

Complete X-ray spectral survey of 347 ISP BL Lac objects from 4LAC-DR3 catalog. Identifies spectral hardening class source. Cross-correlation with IceCube GOLD events using temporal windows.

KI fragen

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Cite This Study

Yoshimitsu Katayama (Sun,) studied this question.

synapsesocial.com/papers/6a1e72e830b38c64201b624d https://doi.org/https://doi.org/10.5281/zenodo.20476509