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ZENODO
Preprint . 2026
License: CC BY
Data sources: ZENODO
ZENODO
Preprint . 2026
License: CC BY
Data sources: Datacite
ZENODO
Preprint . 2026
License: CC BY
Data sources: Datacite
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Statistical Substructure of ISP Blazar Variability: Five-Source Analysis and Class-S/Class-H Spectral Bifurcation

Authors: Katayama, Yoshimitsu;

Statistical Substructure of ISP Blazar Variability: Five-Source Analysis and Class-S/Class-H Spectral Bifurcation

Abstract

Five-source Swift XRT analysis of C3 ISP blazars. TXS 0506+056 (15,690 photons) and S5 0716+714 (33,064 photons) added to the three-source v6 sample. Reveals spectral bifurcation: Class-S (softening, 4/5 sources, leptonic) vs Class-H (hardening, TXS 0506+056, hadronic candidate). TXS 0506+056 shows ΔHR = +0.199, p = 0.0029, KS p = 0.0015. Detection-Limit Hypothesis quantified as N_min ∝ Fvar². Predicts neutrino-emitting blazars preferentially exhibit Class-H X-ray spectral behavior.

v7.0. Extends v6 (DOI: 10.5281/zenodo.19788559) with two additional sources and Class-S/H bifurcation framework.

Keywords

neutrino, Class-H, 4LAC-DR3, blazars, S5 0716+714, ISP, Swift XRT, TXS 0506+056, hadronic, IceCube

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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Average