Another intermediate-mass black hole discovered at the centre of our galaxy
Researchers led by PD Dr. Florian Peißker found an intermediate-mass black hole near the supermassive black hole SgrA* in our galaxy's center. The black hole in star cluster IRS 13 influences star motion, shedding light on supermassive black hole formation.
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Researchers led by PD Dr. Florian Peißker have discovered an intermediate-mass black hole near the supermassive black hole SgrA* at the center of our galaxy. This finding is significant as only about ten such black holes have been identified in the entire universe. The black hole is located in the star cluster IRS 13, 0.1 light years away from the galaxy's center. The orderly motion of stars in IRS 13 suggests the presence of an intermediate-mass black hole influencing their movement. Observations from various telescopes indicate the high density and compact shape of IRS 13, characteristics consistent with the presence of an intermediate-mass black hole. This discovery sheds light on the formation and growth of supermassive black holes. Further observations with advanced telescopes like the James Webb Space Telescope will provide more insights into the star cluster's dynamics. The study was published in The Astrophysical Journal, and Dr. Peißker can be contacted for media inquiries.
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2 commentsYou need to go to the paper's abstract to see that it's around 30,000 times the mass of the sun (∼3 × 10^4M⊙). For context Sag A* (the supermassive black hole at the center of the Milky Way) is about 4.1 Million times the mass of the sun.
The evidence they presented in the paper is mostly circumstantial — essentially a statistical analysis.
We have this video for Sagittarius A* : https://www.eso.org/public/videos/eso1825e/
I’m guessing that in a few years we’ll have a similar video of this area too.
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