论文标题

ET白皮书:找到第一个地球2.0

ET White Paper: To Find the First Earth 2.0

论文作者

Ge, Jian, Zhang, Hui, Zang, Weicheng, Deng, Hongping, Mao, Shude, Xie, Ji-Wei, Liu, Hui-Gen, Zhou, Ji-Lin, Willis, Kevin, Huang, Chelsea, Howell, Steve B., Feng, Fabo, Zhu, Jiapeng, Yao, Xinyu, Liu, Beibei, Aizawa, Masataka, Zhu, Wei, Li, Ya-Ping, Ma, Bo, Ye, Quanzhi, Yu, Jie, Xiang, Maosheng, Yu, Cong, Liu, Shangfei, Yang, Ming, Wang, Mu-Tian, Shi, Xian, Fang, Tong, Zong, Weikai, Liu, Jinzhong, Zhang, Yu, Zhang, Liyun, El-Badry, Kareem, Shen, Rongfeng, Tam, Pak-Hin Thomas, Hu, Zhecheng, Yang, Yanlv, Zou, Yuan-Chuan, Wu, Jia-Li, Lei, Wei-Hua, Wei, Jun-Jie, Wu, Xue-Feng, Sun, Tian-Rui, Wang, Fa-Yin, Zhang, Bin-Bin, Xu, Dong, Yang, Yuan-Pei, Li, Wen-Xiong, Xiang, Dan-Feng, Wang, Xiaofeng, Wang, Tinggui, Zhang, Bing, Jia, Peng, Yuan, Haibo, Zhang, Jinghua, Wang, Sharon Xuesong, Gan, Tianjun, Wang, Wei, Zhao, Yinan, Liu, Yujuan, Wei, Chuanxin, Kang, Yanwu, Yang, Baoyu, Qi, Chao, Liu, Xiaohua, Zhang, Quan, Zhu, Yuji, Zhou, Dan, Zhang, Congcong, Yu, Yong, Zhang, Yongshuai, Li, Yan, Tang, Zhenghong, Wang, Chaoyan, Wang, Fengtao, Li, Wei, Cheng, Pengfei, Shen, Chao, Li, Baopeng, Pan, Yue, Yang, Sen, Gao, Wei, Song, Zongxi, Wang, Jian, Zhang, Hongfei, Chen, Cheng, Wang, Hui, Zhang, Jun, Wang, Zhiyue, Zeng, Feng, Zheng, Zhenhao, Zhu, Jie, Guo, Yingfan, Zhang, Yihao, Li, Yudong, Wen, Lin, Feng, Jie, Chen, Wen, Chen, Kun, Han, Xingbo, Yang, Yingquan, Wang, Haoyu, Duan, Xuliang, Huang, Jiangjiang, Liang, Hong, Bi, Shaolan, Gai, Ning, Ge, Zhishuai, Guo, Zhao, Huang, Yang, Li, Gang, Li, Haining, Li, Tanda, Yuxi, Lu, Rix, Hans-Walter, Shi, Jianrong, Song, Fen, Tang, Yanke, Ting, Yuan-Sen, Wu, Tao, Wu, Yaqian, Yang, Taozhi, Yin, Qing-Zhu, Gould, Andrew, Lee, Chung-Uk, Dong, Subo, Yee, Jennifer C., Shvartzvald, Yossi, Yang, Hongjing, Kuang, Renkun, Zhang, Jiyuan, Liao, Shilong, Qi, Zhaoxiang, Yang, Jun, Zhang, Ruisheng, Jiang, Chen, Ou, Jian-Wen, Li, Yaguang, Beck, Paul, Bedding, Timothy R., Campante, Tiago L., Chaplin, William J., Christensen-Dalsgaard, Jørgen, García, Rafael A., Gaulme, Patrick, Gizon, Laurent, Hekker, Saskia, Huber, Daniel, Khanna, Shourya, Li, Yan, Mathur, Savita, Miglio, Andrea, Mosser, Benoît, Ong, J. M. Joel, Santos, Ângela R. G., Stello, Dennis, Bowman, Dominic M., Lares-Martiz, Mariel, Murphy, Simon, Niu, Jia-Shu, Ma, Xiao-Yu, Molnár, László, Fu, Jian-Ning, De Cat, Peter, Su, Jie, consortium, the ET

论文摘要

我们建议开发一个宽阔和超高的光度调查任务,暂时名为“ Earth 2.0(ET)”。该任务旨在首次衡量地球大小行星的发生率和轨道分布。 ET由七个30厘米的望远镜组成,可发射到Earth-Sun的L2点。其中六个是远程望远镜,其视野为500平方度。朝着包含原始开普勒场连续四年的方向盯着,这种监视将返回成千上万的过境行星,包括难以捉摸的地球双胞胎绕行太阳能型星。第七望远镜是30厘米的微透镜望远镜,它将监视向银河凸起的4平方度的面积。这与同时基于地面的KMTNET观测结果结合在一起,将测量数百个长周期和自由浮动行星的质量。交通和微透镜望远镜一起将彻底改变我们对横跨一大片轨道距离和自由空间的陆地行星的理解。此外,调查数据还将促进在二进制论中的星际学,银河考古学,时间域科学和黑洞的研究领域的研究。

We propose to develop a wide-field and ultra-high-precision photometric survey mission, temporarily named "Earth 2.0 (ET)". This mission is designed to measure, for the first time, the occurrence rate and the orbital distributions of Earth-sized planets. ET consists of seven 30cm telescopes, to be launched to the Earth-Sun's L2 point. Six of these are transit telescopes with a field of view of 500 square degrees. Staring in the direction that encompasses the original Kepler field for four continuous years, this monitoring will return tens of thousands of transiting planets, including the elusive Earth twins orbiting solar-type stars. The seventh telescope is a 30cm microlensing telescope that will monitor an area of 4 square degrees toward the galactic bulge. This, combined with simultaneous ground-based KMTNet observations, will measure masses for hundreds of long-period and free-floating planets. Together, the transit and the microlensing telescopes will revolutionize our understandings of terrestrial planets across a large swath of orbital distances and free space. In addition, the survey data will also facilitate studies in the fields of asteroseismology, Galactic archeology, time-domain sciences, and black holes in binaries.

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