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Detection of Oscillations in a Type I X-Ray Burst of 4U 0614+091 with SVOM/ECLAIRs

  • Authors: Sébastien Le Stum, Floriane Cangemi, Alexis Coleiro, Sébastien Guillot, Jérôme Chenevez, Philippe Bacon, Nicolas Bellemont, Laurent Bouchet, Tristan Bouchet, Cécile Cavet, Bertrand Cordier, Antoine Foisseau, Olivier Godet, Andrea Goldwurm, Xuhui Han, Cyril Lachaud, Zhaosheng Li, Huali Li, Yulei Qiu, Jérôme Rodriguez, Wenjun Tan, Lian Tao, Lauryne Verwaerde, Chenwei Wang, Jing Wang, Jianyan Wei, Chao Wu, Wenjin Xie, Liping Xin, Shaolin Xiong, Shuangnan Zhang, Shijie Zheng

Sébastien Le Stum et al 2026 The Astrophysical Journal Letters 997 .

  • Provider: AAS Journals

Caption: Figure 3.

Significance contours of the oscillations as a function of time and frequency (left-hand axis), computed using a ﹩{Z}_{1}^{2}﹩ test in a 20 s sliding window with 1 s steps. Significance levels are given as a color gradient. The burst lightcurve is shown as the equivalent on-axis count rate (right-hand axis) in the 4–40 keV energy band, with the persistent emission subtracted, binned in 1 s intervals.

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