New Map of all Supermassive Black Holes released

[ergophobe]

Apparently a major update from what was available before

APACHE POINT OBSERVATORY, NM & LAS CAMPANAS OBSERVATORY, CHILE — The Sloan Digital Sky Survey (SDSS) announces Data Release 20 (DR20), marking a landmark expansion in the study of accreting supermassive black holes (SMBHs). As part of the fifth generation of the survey (SDSS-V), the Black Hole Mapper (BHM) program is providing unprecedented insights into the masses, growth, and physics of quasars and active galactic nuclei (AGN) across cosmic time.

https://www.sdss.org/black-hole-mapper-release-20/