I am trying to find the latest and most accurate data on galactic core black hole measured masses. The best collection of data that I have on black holes is at http://www.johnstonsarchive.net/rela.../bhctable.html but it is dated at 2004, so I suspect there will be additional data available, and possibly some improvements in accuracy.

The reason for this is to test my prediction that Harmonics Theory can explain black hole masses as being related to pervading oscillations periods that are detected in many phenomena. See Harmonics Theory discussion and this post in another thread on the present analysis. I should mention that the periods concerned are related to the structure of the solar system and to solar oscillations. The inner planets are consistent with 3 and 6 minute period waves centred on the Sun and the outer ones with 80 and 180 minute periods. These do show up in the BH data to date.