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In-orbit Operation and Performance of the CubeSat Soft X-ray Polarimeter PolarLight

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arxiv 2009.00933 v1 pith:OOD4POUK submitted 2020-09-02 astro-ph.IM

In-orbit Operation and Performance of the CubeSat Soft X-ray Polarimeter PolarLight

Hong Li , Xiangyun Long , Hua Feng , Qiong Wu , Jiahui Huang , Weichun Jiang , Massimo Minuti , Dongxin Yang
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Saverio Citraro Hikmat Nasimi Jiandong Yu Ge Jin Ming Zeng Peng An Luca Baldini Ronaldo Bellazzini Alessandro Brez Luca Latronico Carmelo Sgro Gloria Spandre Michele Pinchera Fabio Muleri Paolo Soffitta Enrico Costa
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keywords polarlightcubesatoperationastronomyobservationsorbitperformancepolarimeter
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PolarLight is a compact soft X-ray polarimeter onboard a CubeSat, which was launched into a low-Earth orbit on October 29, 2018. In March 2019, PolarLight started full operation, and since then, regular observations with the Crab nebula, Sco X-1, and background regions have been conducted. Here we report the operation, calibration, and performance of PolarLight in the orbit. Based on these, we discuss how one can run a low-cost, shared CubeSat for space astronomy, and how CubeSats can play a role in modern space astronomy for technical demonstration, science observations, and student training.

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