格陵兰望远镜亚毫米GRB余辉跟踪的新时代
A new era of sub-millimeter GRB afterglow follow-ups with the Greenland Telescope
摘要：
介绍了利用格陵兰望远镜（GLT）对亚毫米波（submm）伽马射线暴（GRB）进行跟踪观测的计划。GLT是一个12米的亚毫米级望远镜，位于格陵兰冰盖顶部，那里的高海拔和干燥天气为亚毫米级波长的观测提供了极好的条件。GLT的波长窗口和快速响应系统的结合，将为伽玛暴的研究提供新的视角。总结目前对亚毫米级伽玛射线暴跟踪的成就，我们确定了以下三个关于伽玛射线暴的科学目标：（1）在余辉早期阶段系统地探测来自反向激波（RS）的明亮亚毫米级发射，（2）通过捕获它们的峰值通量和频率并进行连续监测来表征正向激波和RS发射，（3）通过系统的快速跟踪，探测到第一代恒星爆炸产生的高红移伽玛暴。光变曲线和光谱计算可用的理论模型清楚地表明，GLT可以在这些研究中发挥至关重要的作用。
英文摘要：
A planned rapid submillimeter (submm) Gamma Ray Burst (GRBs) follow-up observations conducted using the Greenland Telescope (GLT) is presented. The GLT is a 12-m submm telescope to be located at the top of the Greenland ice sheet, where the high-altitude and dry weather porvides excellent conditions for observations at submm wavelengths. With its combination of wavelength window and rapid responding system, the GLT will explore new insights on GRBs. Summarizing the current achievements of submm GRB follow-ups, we identify the following three scientific goals regarding GRBs: (1) systematic detection of bright submm emissions originating from reverse shock (RS) in the early afterglow phase, (2) characterization of forward shock and RS emissions by capturing their peak flux and frequencies and performing continuous monitoring, and (3) detections of GRBs as a result of the explosion of first-generation stars result of GRBs at a high redshift through systematic rapid follow ups. The light curves and spectra calculated by available theoretical models clearly show that the GLT could play a crucial role in these studies.
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