Search for Kink Events in Variable Fermi-LAT Blazars

Fuente: arXiv

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Bibliographic Details
Main Authors:	Peñil, P., Zhang, H., Otero-Santos, J., Ajello, M., Buson, S., Adhikari, S., Rico, A., Pedrosa, J. Escudero, Agudo, I., Morcuende, D., Sota, A., Casanova, V., Aceituno, F. J.
Format:	Preprint
Published:	2025
Subjects:	High Energy Astrophysical Phenomena
Online Access:	Acceder al recurso
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author	Peñil, P. Zhang, H. Otero-Santos, J. Ajello, M. Buson, S. Adhikari, S. Rico, A. Pedrosa, J. Escudero Agudo, I. Morcuende, D. Sota, A. Casanova, V. Aceituno, F. J.
author_facet	Peñil, P. Zhang, H. Otero-Santos, J. Ajello, M. Buson, S. Adhikari, S. Rico, A. Pedrosa, J. Escudero Agudo, I. Morcuende, D. Sota, A. Casanova, V. Aceituno, F. J.
contents	This study explores the detection of Quasi-Periodic Oscillations (QPOs) in blazars as a method to identify kink events within their jets, utilizing both $γ$-ray and polarized light observations. Focusing on a sample of 9 blazars, we analyze $γ$-ray light curves to identify significant QPOs. In addition to $γ$-ray data, we incorporated polarized light data corresponding to the same temporal segments to cross-validate the presence of QPOs. However, the limited availability of comprehensive polarized data restricted our ability to perform a thorough analysis across all datasets. Despite these limitations, our analysis reveals a segment where QPOs in polarized light coincided with those observed in $γ$-rays, providing preliminary evidence supporting the kink origin of these oscillations.
format	Preprint
id	arxiv_https___arxiv_org_abs_2504_10308
institution	arXiv
publishDate	2025
record_format	arxiv
spellingShingle	Search for Kink Events in Variable Fermi-LAT Blazars Peñil, P. Zhang, H. Otero-Santos, J. Ajello, M. Buson, S. Adhikari, S. Rico, A. Pedrosa, J. Escudero Agudo, I. Morcuende, D. Sota, A. Casanova, V. Aceituno, F. J. High Energy Astrophysical Phenomena This study explores the detection of Quasi-Periodic Oscillations (QPOs) in blazars as a method to identify kink events within their jets, utilizing both $γ$-ray and polarized light observations. Focusing on a sample of 9 blazars, we analyze $γ$-ray light curves to identify significant QPOs. In addition to $γ$-ray data, we incorporated polarized light data corresponding to the same temporal segments to cross-validate the presence of QPOs. However, the limited availability of comprehensive polarized data restricted our ability to perform a thorough analysis across all datasets. Despite these limitations, our analysis reveals a segment where QPOs in polarized light coincided with those observed in $γ$-rays, providing preliminary evidence supporting the kink origin of these oscillations.
title	Search for Kink Events in Variable Fermi-LAT Blazars
topic	High Energy Astrophysical Phenomena
url	https://arxiv.org/abs/2504.10308