https://phys.org/news/2020-03-hubble-evidence-elusive-mid-sized-black.html Hubble finds best evidence for elusive mid-sized black hole: Please Register or Log in to view the hidden image! Astronomers have found the best evidence for the perpetrator of a cosmic homicide: a black hole of an elusive class known as "intermediate-mass," which betrayed its existence by tearing apart a wayward star that passed too close. Weighing in at about 50,000 times the mass of our Sun, the black hole is smaller than the supermassive black holes (at millions or billions of solar masses) that lie at the cores of large galaxies, but larger than stellar-mass black holes formed by the collapse of a massive star. These so-called intermediate-mass black holes (IMBHs) are a long-sought "missing link" in black hole evolution. Though there have been a few other IMBH candidates, researchers consider these new observations the strongest evidence yet for mid-sized black holes in the universe. more at link.....
I'm not really too excited about this find. I mean we know how BH's form, and we have observational evidence for SMBHS, so an Intermediate size find was to be expected.
