采用活动星系核图像的核球／盘分解数据得到核球R波段光度值，计算了一个X射线活动星系核样本的中心大质量黑洞质量与核球质量之比（Mhh／M......

How supermassive black holes(SMBHs) are spun-up is a key issue in modern astrophysics. As an extension to the study in W......