作为SOSS发射余辉的孤儿光学耀发及其时间定位
高能天体物理现象
2023-02-14 v1
摘要
我们报告了对类余辉光学与X射线暂现源AT2021lfa/ZTF21aayokph的MASTER光学观测。我们以7σ置信水平探测到该暂现源的初期稳定增亮。这使我们能够利用伽马射线暴的光学自相似平滑发射（SOSS）模型将爆发时间约束在优于14分钟以内，并估计其初始洛伦兹因子Γ0 = 20 ± 10。考虑到较低的Γ0以及在伽马射线中的非探测，我们将此暂现源归类为首个失败的伽马射线暴余辉。
引用
@article{arxiv.2302.05924,
title = {Orphan optical flare as SOSS emission afterglow, localization in time},
author = {V. Lipunov and V. Kornilov and K. Zhirkov and N. Tyurina and E. Gorbovskoy and D. Vlasenko and S. Simakov and V. Topolev and C. Francile and R. Podesta and F. Podesta and D. Svinkin and N. Budnev and O. Gress and P. Balanutsa and A. Kuznetsov and A. Chasovnikov and M. Serra-Ricart and A. Gabovich and E. Minkina and G. Antipov and S. Svertilov and A. Tlatov and V. Senik and Yu. Tselik and Ya. Kechin and V. Yurkov},
journal= {arXiv preprint arXiv:2302.05924},
year = {2023}
}
备注
8 pages, 5 figures, accepted for publication in MNRAS