TOROS 合作组对引力波源首个电磁对应体的观测
高能天体物理现象
2017-10-25 v1 太阳与恒星天体物理
摘要
我们展示了南方暂现源光学机器人天文台合作组 (TOROS) 对引力波事件 GW170817 电磁对应体进行快速光学后续观测的结果。在触发后约 35 小时，我们利用 T80-South 望远镜在仅 80 分钟的观测中，探测到对应体光曲线中高度显著的变暗（ mag, mag, mag）。在事件发生后约 59 小时，利用 EABA 1.5m 望远镜进行的第二阶段观测证实了该暂现源快速衰减的特性。观测到的对应体颜色表明，该事件是一个相对缺乏镧系元素的“蓝色千新星”。
引用
@article{arxiv.1710.05844,
title = {Observations of the first electromagnetic counterpart to a gravitational wave source by the TOROS collaboration},
author = {M. C. Díaz and L. M. Macri and D. Garcia Lambas and C. Mendes de Oliveira and J. L. Nilo Castellón and T. Ribeiro and B. Sánchez and W. Schoenell and L. R. Abramo and S. Akras and J. S. Alcaniz and R. Artola and M. Beroiz and S. Bonoli and J. Cabral and R. Camuccio and M. Castillo and V. Chavushyan and P. Coelho and C. Colazo and M. V. Costa-Duarte and H. Cuevas Larenas and D. L. DePoy and M. Domínguez Romero and D. Dultzin and D. Fernández and J. García and C. Girardini and D. R. Gonçalves and T. S. Gonçalves and S. Gurovich and Y. Jiménez-Teja and A. Kanaan and M. Lares and R. Lopes de Oliveira and O. López-Cruz and J. L. Marshall and R. Melia and A. Molino and N. Padilla and T. Peñuela and V. M. Placco and C. Quiñones and A. Ramírez Rivera and V. Renzi and L. Riguccini and E. Ríos-López and H. Rodriguez and L. Sampedro and M. Schneiter and L. Sodré and M. Starck and S. Torres-Flores and M. Tornatore and A. Zadrożny},
journal= {arXiv preprint arXiv:1710.05844},
year = {2017}
}
备注
Accepted for publication in The Astrophysical Journal Letters