非对齐BL Lac天体3C 371的多波段图像
Multi-wavelength picture of the misaligned BL Lac object 3C 371
AI总结：
本研究利用多平台观测数据，分析非对齐BL Lac天体3C 371的多波段光变、喷流运动学特性并建模其宽带光谱能量分布，以揭示其长期多波段行为特征。
摘要：
BL Lac天体3C 371是全球耀变体望远镜（Whole Earth Blazar Telescope, WEBT）合作组定期监测的目标之一，用于研究耀变体在短、长时标下的光变特性。我们旨在评估3C 371的长期多波段（MWL）行为，并将其与我们此前研究中得到的该天体光发射结果进行对比。为此，我们使用了WEBT合作组在2018年1月至2020年12月期间组织的光学和射电多波段观测数据，以及Swift、Fermi卫星和MOJAVE甚长基线干涉测量项目的公开数据。我们通过振幅光变量化方法评估了该源在各波段的光变表现，并利用z离散相关函数分析了可能的波段间相关性。我们还对光学-紫外、X射线和γ射线的光谱光变进行了深入分析。借助MOJAVE数据，我们开展了运动学分析，寻找沿喷流传播的成分，计算其运动学参数。这套参数随后被用于解释该源的多波段行为，并通过理论耀变体发射场景对该源的宽带光谱能量分布（SED）进行建模。
英文摘要：
The BL Lac object 3C 371 is one of the targets that are regularly monitored by the Whole Earth Blazar Telescope (WEBT) Collaboration to study blazar variability on both short and long timescales. We aim to evaluate the long-term multiwavelength (MWL) behaviour of 3C 371, comparing it with the results derived for its optical emission in our previous study. For this, we make use of the multi-band campaigns organized by the WEBT Collaboration in optical and radio between January 2018 and December 2020, and of public data from Swift and Fermi satellites and the MOJAVE Very Large Interferometry programme. We evaluate the variability shown by the source in each band with the amplitude variability quantification, as well as possible interband correlation using the z-Discrete Correlation Function. We also present a deep analysis of the optical-UV, X-ray and $γ$-ray spectral variability. With the MOJAVE data we perform a kinematics analysis, looking for components propagating along the jet, calculating its kinematics parameters. This set of parameters is later used for the interpretation of the source MWL behaviour, modelling the broadband spectral energy distribution (SED) of the source with theoretical blazar emission scenarios.
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