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Fast Optical Variability of the TeV Blazar PKS 1725+123 Observed by SVOM-VT and Insights from Multiwavelength Follow-up Observations

  • Authors: Shuo-Yu Liu, Yu-Wei Yu, Ji-Shun Lian, Xin-Ke Hu, Alexis Coleiro, Zhu-Heng Yao, Li-Ping Xin, Jing Wang, Hua-Li Li, Zi-Qi Wang, Jin Zhang, Floriane Cangemi, Bertrand Cordier, Antoine Foisseau, Olivier Godet, Andrea Goldwurm, Diego Götz, Sébastien Guillot, Xu-Hui Han, Ning Jiang, Cyril Lachaud, Sébastien Le Stum, En-Wei Liang, Pierre Maggi, Yu-Lei Qiu, Jérôme Rodriguez, Lian Tao, Jian-Yan Wei, Chao Wu, Liang Zhang, Shuang-Nan Zhang, Shi-Jie Zheng

Shuo-Yu Liu et al 2026 The Astrophysical Journal Letters 1005 .

  • Provider: AAS Journals

Caption: Figure 3.

Color index versus magnitude in both the VT_R (left panels) and VT_B (right panels) bands for PKS 1725+123. Panels (a) and (b) show all the SVOM-VT observational data, identical to those in Figure 1. Panels (c) and (d) present the observational data from the second orbit of the consecutive four-orbit observations conducted on 2025 August 20–21. Panels (e) and (f) illustrate the observational data from the fourth orbit of the consecutive four-orbit observations conducted on 2025 August 20–21.

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