The discovery was made after researchers expanded the dynamic range of radio images,
The team found radio emission coming from the gas,which is created by the central black hole itself. The team wants to understand how the black hole interacts with its host galaxy. To do this, they use other quasars - in other words, the nuclei of galaxies with supermassive black holes in the center, which actively absorb the surrounding material and emit powerful radiation fluxes in all ranges. Astronomers have not noticed this phenomenon for decades.
This discovery is important for scientists because until nowIt is still unknown whether the energy from the quasar's core can deprive the galaxy of its ability to form stars. Weak radio emissions can help solve this problem. Hydrogen gas is an essential ingredient for creating stars, but if such intense light falls on it that it ionizes, then stars cannot form.
To understand if this process is going on aroundquasars, astronomers used optical light that emits ionized gas. The problem with optical light is that cosmic dust absorbs light on its way to the telescope, so it's hard to tell how much light the gas is emitting.
In this study, astronomers found that bothat least the gas absorbs at least 7% of the light from 3C273, creating an ionized gas with a mass between 10 and 100 billion times that of the Sun. But there was a lot of gas in 3C273 just prior to star formation, so it doesn't look like the quasar had anything to do with the formation of new stars.
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