ULTRA-FAST FLASH OBSERVATORY: FAST RESPONSE SPACE MISSIONS FOR EARLY TIME PHASE OF GAMMA RAY BURSTS

I. Park, S. Ahmad, P. Barrillon, S. Brandt, C. Budtz-Jørgensen, A. Castro-Tirado, P. Chen, J. Choi, Yong-Jin Choi, P. Connell, S. Dagoret-Campagne, C. Eyles, B. Grossan, M. Huang, A. Jung, S. Jeong, J. Kim, Min Bin Kim, Sug-Whan Kim, Y. W. Kim, A. S. Krasnov, J. Lee, H. Lim, E. Linder, T. Liu, K. Min, G. Na, J. Nam, M. Panasyuk, H. W. Park, J. Řípa, V. Reglero, J. Rodrigo, G. Smoot, S. Svertilov, N. Vedenkin, Minzu Wang, I. Yashin
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Abstract

One of the unexplored domains in the study of gamma-ray bursts (GRBs) is the early time phase of the optical light curve. We have proposed Ultra-Fast Flash Observatory (UFFO) to address this question through extraordinary opportunities presented by a series of small space missions. The UFFO is equipped with a fast-response Slewing Mirror Telescope that uses a rapidly moving mirror or mirror array to redirect the optical beam rather than slewing the entire spacecraft or telescope to aim the optical instrument at the GRB position. The UFFO will probe the early optical rise of GRBs with sub-second response, for the first time, opening a completely new frontier in GRB and transient studies. Its fast response measurements of the optical emission of dozens of GRB each year will provide unique probes of the burst mechanism and test the prospect of GRB as a new standard candle, potentially opening up the z > 10 universe. We describe the current limit in early photon measurements, the aspects of early photon physics, our soon-to-be-launched UFFO-pathfinder mission, and our next planned mission, the UFFO-100.
超快闪光天文台:伽玛射线暴早期阶段的快速响应空间任务
在伽玛射线暴(GRBs)的研究中,一个尚未开发的领域是光学光曲线的早期阶段。我们建议超高速闪光天文台(UFFO)通过一系列小型太空任务提供的非凡机会来解决这个问题。UFFO配备了一个快速响应的回转镜望远镜,它使用一个快速移动的镜子或镜子阵列来重新定向光束,而不是旋转整个航天器或望远镜来将光学仪器瞄准GRB位置。UFFO将首次以亚秒响应探测GRB的早期光学上升,为GRB和瞬态研究开辟了一个全新的前沿。它每年对数十个GRB的光学发射进行快速响应测量,将为爆发机制提供独特的探测,并测试GRB作为新标准蜡烛的前景,有可能打开z > 10宇宙。我们描述了早期光子测量的当前限制,早期光子物理的各个方面,我们即将发射的uffo探路者任务,以及我们下一个计划的任务,UFFO-100。
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