The Extreme Universe Space Observatory on a Super-Pressure Balloon II Mission

The Extreme Universe Space Observatory on a Super-Pressure Balloon II Mission
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执行超压气球 II 任务的极端宇宙太空观测站

DOI:
10.22323/1.358.0466
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发表时间:
2019
期刊:
Proceedings of 36th International Cosmic Ray Conference — PoS(ICRC2019)
影响因子:
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通讯作者:
L. Wiencke
L. Wiencke
中科院分区:
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文献类型:
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作者:
L. Wiencke

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超压气球II任务上的极端宇宙空间天文台(EUSO-SPB2)是多信使天体物理下一代空间天文台的前身。EUSO-SPB2仪器将测量PeV和EEV尺度的宇宙射线,这是可以模拟地球边缘tau中微子相互作用的光学背景,并搜索与南极脉冲瞬变天线(ANITA)报告的向上候选事件一致的光学特征。有效载荷目前正处于设计和制造阶段,其特点是一对直径为1米的光学望远镜。荧光望远镜将在紫外线下具有敏感度,可以瞄准EEV能量下的大范围空气骤雨。切伦科夫望远镜将对PeV能量的空气簇射产生的切伦科夫辐射具有UV/VIS敏感性。计划发射日期为2022年。我们讨论了科学和使命,以及目前的状况。
The Extreme Universe Space Observatory on a Super Pressure Balloon II Mission (EUSO-SPB2) is a precursor for a next generation space observatory for multi-messenger astrophysics. The EUSO-SPB2 instrument will measure PeV and EeV-scale cosmic rays, optical backgrounds that could mimic tau neutrino interactions in the Earth's limb, and search for optical signatures consistent with the upward-going candidate events that the Antarctic Impulse Transient Antenna (ANITA) reported. The payload, now in the design and fabrication stage, features a pair of optical telescopes that have 1 meter diameter apertures. The Fluorescence Telescope will have sensitivity in the UV to target extensive air showers at EeV energies. The Cherenkov Telescope will have UV/VIS sensitivity to target Cherenkov emission from air showers at PeV energies. The planned launch date is 2022. We discuss the science and mission, and the current status.