Astronomers using the Muse Instrument with ESO’s extremely large telescope (VLT) detected ultra-large black hole-driven winds with the Burred Spiral Galaxy NGC 4945.
This image shows NGC 4945, a spiral galaxy that exceeds 12 million light-years in the constellation of Centaurus. The super-large black hole-driven wind of the NGC 4945 is shown in red in the inset. Image credits: ESO/Marconcini et al.
NGC 4945 It is more than 12 million light years away from Earth, the constellation of Centaurus.
Otherwise known as the Caldwell 83. That’s what this galaxy was like I discovered it by James Dunlop, the Sottsch astronomer in 1826.
NGC 4945 hosts one of the closest active, ultra-large black holes to Earth.
“At the heart of almost every galaxy, they are very large black holes,” the ESO astronomer explained in a statement.
“Some people are not particularly hungry, as they are in the heart of our own Milky Way.”
“However, the super-large black hole in NGC 4945 is greedy and consumes a huge amount of problems.”
Astronomers have studied the ultra-high Massive black holes of the NGC 4945 using the Muse Instrument, an ESO’s extremely large telescope (VLT).
“Contrary to the all-consuming reputation typical of black holes, this messy eater is blowing away the powerful winds of ingredients,” they said.
“This cone-shaped wind is shown in red in the inset and is covered in a wider image taken with La Silla’s MPG/ESO telescope.”
“In fact, this wind moves so fast that it completely escapes the galaxy, giving in to space in intergalactic space.”
“This is part of a new study measuring how the wind moves in several nearby galaxies,” they added.
“Muse’s observations show that these incredibly fast winds show strange behavior. They actually speed up far from the central black hole, and accelerate even further on their journey to the outskirts of the galaxy.”
“This process suggests that black holes control the fate of the host galaxy by ejecting potential star-forming material from the galaxy and attenuating the star’s fertility.”
“It also shows that more powerful black holes can hamper their own growth by removing the gas and dust they feed, bringing the entire system closer to a kind of galactic equilibrium.”
“Now, these new results bring us one step closer to understanding the mechanisms of wind acceleration that are responsible for galaxy evolution and the history of the universe.”
Survey results It will be displayed in the journal Natural Astronomy.
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C. Marconcini et al. Evidence of rapid acceleration of AGN-driven winds at the Kiloparsec scale. Nut Athlonreleased on March 31, 2025. doi:10.1038/s41550-025-02518-6
Source: www.sci.news
