supported by the National Natural Science Foundation of China (NSFC; Grant Nos. 11773036 and 11473036);supported by the NSFC Youth Foundation (11303008) and by the Astronomical Union Foundation (U1831126);supported by the National Basic Research Program of China (2014CB845800), the NSFC (11533003);the Strategic Pioneer Program on Space Science, Chinese Academy of Sciences (XDA 15052600 and XDA 15016500);paritally supported by the Bagui Young Scholars Program;the Natural Science Foundation of Guangxi (2018GXNSF GA281007)
How supermassive black holes(SMBHs) are spun-up is a key issue in modern astrophysics. As an extension to the study in Wang et al., here we address the issue by comparing the host galaxy properties of nearby(z < 0.05)...