Strong Evidence that Supermassive Black Holes Affect Their Host Galaxy's Chemistry

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Strong Evidence that Supermassive Black Holes Affect Their Host Galaxy's Chemistry
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New research based on ALMA observations and machine learning techniques has mapped out chemical abundances near M77's black hole.

Researchers also know that SMBHs create black hole feedback. The center of large galaxies contains lots of hot gas dense enough that it should cool down over tens to hundreds of millions of years. This should mean that cool gas funnels toward the center. This cooling flow should lead to massive starbursts near the center of the galaxy. But generally, that’s not what astrophysicists see.

” It’s published in The Astrophysical Journal, and the lead authors are Toshiki Saito at the National Astronomical Observatory of Japan and Taku Nakajima at Nagoya University. This figure is from separate research and shows NGC 1068’s structure. The starburst ring is between the two dark blue lines and contains many super star clusters SSCs are more luminous and more massive than other clusters. Image Credit: Rico-Vallas et al. 2021

This figure from the research illustrates NGC 1068’s structure. The left panel shows both the CND and the SBR. The right panel is zoomed in on the CND and the active galactic nuclei and also shows both knots. Image Credit: Nakajima et al. 2023.

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