Using the Very Large Telescope (VLT) of the European Southern Observatory, astronomers have discovered
Black hole discovered in star cluster NGC1850. It is located in the Large Magellanic Cloud, a neighboring galaxy in the Milky Way, about 160 thousand light-years from Earth. The black hole turned out to be 11 times more massive than the Sun. It was discovered by the gravitational effect it exerted on a companion star (five times more massive than the Sun). For comparison, the mass of a supermassive black hole, according to various estimates, ranges from 2 to 5 million solar.
Before astronomers found such smallblack holes in other galaxies, by capturing X-rays emitted when matter is absorbed, or by tracking gravitational waves that occur when black holes collide with each other or with neutron stars.
However, this method is not always suitable, oftena black hole can only be detected dynamically. When it forms a system with a star, it will affect its movement. It can be detected with sophisticated instruments.
The research results are published by Monthly Notices of the Royal Astronomical Society.
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