supported by the National Natural Science Foundation of China(NSFC,Grant Nos.11822301,12192220,12192221 and 11833007);support from the NSFC(Grant No.12122306);support from the NSFC(Grant Nos.11733009 and U2031205);support by the science research grants from the China Manned Space Project through No.CMS-CSST-2021-A06。
The fast blue optical transients(FBOTs)are a new population of extragalactic transients of unclear physical origin.A variety of mechanisms has been proposed including failed supernova explosion,shock interaction with ...