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Active Asteroid 311P/PANSTARRS: Rotational Instability as the Origin of Multi-tails?

Autor: Liu, Bin, Liu, Xiaodong, Jia, Xiaoyu, Li, Fei, Zhao, Yuhui, Yu, LiangLiang

Publikováno v: The Astronomical Journal, 2023, 166, 156

The active asteroid 311P is one of the two targets of a planned Chinese asteroid exploration mission Tianwen-2. During 2013, 311P experienced several mass-loss events and exhibited multiple comet-like tails. Here we analyze the morphology and surface

Externí odkaz: http://arxiv.org/abs/2310.10455

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Characterizing the temporally stable structure of community evolution in intra-urban origin-destination networks

Autor: Chen, Xiao-Jian, Zhao, Yuhui, Kang, Chaogui, Xing, Xiaoyue, Dong, Quanhua, Liu, Yu

Intra-urban origin-destination (OD) network communities evolve throughout the day, indicating changing groups of closely connected regions. Under this variation, groups of regions with high consistency of community affiliation characterize the tempor

Externí odkaz: http://arxiv.org/abs/2309.12691

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Mid-IR Observations of IRAS, AKARI, WISE/NEOWISE and Subaru for Large Icy Asteroid (704) Interamnia: a New Perspective of Regolith Properties and Water Ice Fraction

Autor: Jiang, Haoxuan, Ji, Jianghui, Yu, Liangliang, Yang, Bin, Hu, Shoucun, Zhao, Yuhui

Publikováno v: The Astrophysical Journal, Volume 944, Number 2, article id.202 (2023)

(704) Interamnia is one of the largest asteroids that locates in the outer main-belt region, which may contain a large amount of water ice underneath its surface. We observe this asteroid using 8.2 m Subaru telescope at mid-infrared wavebands, and ut

Externí odkaz: http://arxiv.org/abs/2212.09534

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