A self-consistent leptonic-hadronic interpretation of the electromagnetic and neutrino emissions from blazar TXS 0506+056

被引：9

作者：

Cao, Gang ^{[1
]}

Yang, Chuyuan ^{[2
]}

Yang, Jianping ^{[3
]}

Wang, Jiancheng ^{[2
]}

机构：

[1] Yunnan Univ Finance & Econ, Dept Math, Kunming 650221, Yunnan, Peoples R China

[2] Chinese Acad Sci, Yunnan Observ, Kunming 650216, Yunnan, Peoples R China

[3] Yunnan Agr Univ, Kunming 650201, Yunnan, Peoples R China

来源：

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN | 2020年 / 72卷 / 02期

基金：

美国国家科学基金会; 中国国家自然科学基金;

关键词：

BL Lacertae objects: individual (TXS 0506+056); galaxies: active; gamma-rays: galaxies; neutrinos; radiation mechanisms: non-thermal; BL-LAC OBJECTS; SYNCHROTRON-RADIATION; COMPTON MODEL; COSMIC-RAYS; GAMMA-RAYS; MRK; 421; TEV; ACCELERATION; VARIABILITY; ELECTRONS;

D O I：

10.1093/pasj/psz142

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The potential association between the blazar TXS 0506+056 and the neutrino event IceCube-170922A provides a unique opportunity to study the possible physical connection between high-energy photons and neutrinos. We explore the correlated electromagnetic and neutrino emissions of blazar TXS 0506+056 by a self-consistent leptonic-hadronic model, taking into account particle stochastic acceleration and all relevant radiative processes self-consistently. The electromagnetic and neutrino spectra of blazar TXS 0506+056 are reproduced by the proton synchrotron and hybrid leptonic-hadronic models based on the proton-photon interactions. It is found that the hybrid leptonic- hadronic model can be used to better explain the observed X-ray and gamma-ray spectra of blazar TXS 0506+056 than the proton synchrotron model. Moreover, the predicted neutrino spectrum of the hybrid leptonic-hadronic model is closer to the observed one compared to the proton synchrotron model. We suggest that the hybrid leptonic-hadronic model is more favored if the neutrino event IceCube-170922A is associated with the blazar TXS 0506+056.

引用

页数：9

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