Two correlations have been raised and sustained by observational values, which are precession period - absolute magnitude correlation and black hole mass - precession cone semi-angle correlation;
提出两个关系，即进动周期—绝对星等的关系和黑洞质量—进动锥角的关系；
Two correlations have been raised and sustained by observational values, which are precession period - absolute magnitude correlation and black hole mass - precession cone semi-angle correlation;
提出两个关系，即进动周期—绝对星等的关系和黑洞质量—进动锥角的关系；
应用推荐