BH with warped accretion disk found

[notFritzArgelander]

https://phys.org/news/2021-10-blackhole ... -disc.html

[helicon]

The discovery presented in the paper was made from an extensive and detailed light-curve obtained over almost a year by dedicated amateurs around the globe who are part of the AAVSO (American Association of Variable Star Observers). MAXI J1820+070 is one of the three brightest X-ray transients ever observed, a consequence of both its proximity to Earth and being outside of the obscuring plane of our Milky Way Galaxy. Because it remained bright for many months, this made it possible to be followed by so many amateurs.

Amateurs coming to the rescue again. Good science performed by the masses!