Black holes The discovery was reported in the monthly journal of the Royal Astronomical Society in the United Kingdom. University of Durham astrophysicists have determined that in the center of a galaxy called Abell 1201, about 2.7 billion light-years from Earth, lies a ‘giant’, the largest known yet. Its size is 32.7 billion times that of the Sun.
“This black hole is about 30 billion times the mass of our Sun. It is one of the largest black holes ever detected. And it’s at the upper limit of what we believe theoretical black holes are,” said physicist James Nightingale of the University of Durham. “This is a very exciting discovery.”
There are many black holes in the universe. But many places are not this big. Because the self-expanding black hole requires diligent accretion of matter throughout the time since the universe began. including the merging of black holes But even with such enormous size Detecting it is even more difficult.
One method used by astronomers is look for the effects of so-called Space-time distorted ‘gravitational lens’ which can amplify distant lights behind it to be seen more clearly. Including black holes as well, the Abell 1201 galaxy has such a strong gravitational force that it surprises scientists.
It stretches the light of the galaxy behind like a stained brow line. This trace was first discovered in 2003, and astronomers don’t know why. They suggest there may be a massive black hole at its center. but with technology that is not detailed enough Therefore, the information cannot be extracted to reveal further what is contained therein.
over time Nightingale and his colleagues have access to more information. So that it can simulate the two rays passing through the gravitational lens hundreds of thousands of times. To look for datasets that match observations from Abell 1201, the black hole at the center of the galaxy with a mass 32.7 billion times that of our sun.
It is evidence that supermassive black holes can form in the theory of cosmic evolution. with a maximum number of 50 billion times that of the sun
“Most of the largest known black holes are in their active state, where matter pulled close to the black hole heats up and emits energy in the form of light, X-rays and other radiation. ”said Nightingale.
“however This gravitational lensing makes it possible to study static black holes. which is something that cannot be done with distant galaxies today. This method could help us detect many black holes beyond our local universe. and reveals how these exotic objects continue to evolve over cosmic time,” and perhaps even provide some hints about how they could grow to such large sizes.
Searched and edited by Vitit Borompichaichatkul
Image by ESA/Hubble, Digitized Sky Survey, Nick Risinger (skysurvey. org), N. Bartmann
source
https://academic.oup.com/mnras/article/521/3/3298/7085506
https://www.iflscience.com/new-supermassive-black-hole-weighs-30-billion-times-our-sun-68203
https://www.space.com/largest-known-black-hole-discovered-through-gravitational-lensing
https://www.sciencealert.com/one-of-the-biggest-black-holes-ever-detected-is-actually-bigger-than-we-thought
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