期刊论文

Yu, Y.-W.

英文

ASTROPHYSICAL JOURNAL

0004-637X

2023

946

1

35

10.3847/1538-4357/acbb04

We thank the anonymous referee for the useful comments, which helped improve this work. We thank A. Chen for the insightful comments and suggestions. This work is supported by the National SKA Program of China (2020SKA0120300), the National Key R&D Program of China (2021YFA0718500), and the National Natural Science Foundation of China (grant No. 11833003).

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Despite the fact that the progenitor of fast blue optical transients (FBOTs) is still a subject of debate, FBOTs are sometimes suggested to originate from the core collapse of ultra-stripped stars and be powered by a spinning-down neutron star. Following this consideration, it is expected that the late-time evolution of the progenitor stars can leave important imprints in the circumstellar material (CSM) of FBOTs, due to the strong mass loss of the stars. The interaction of the FBOT ejecta with the CSM can drive a long-lasting shock to generate...