World.- A group of scientists led by the Institute of Astrophysics of Andalusia in Spain found signs of what could be a binary supermassive hole in the galaxy OJ 287, as revealed by the group of researchers through the Institute’s disclosure portal.
According to the publication, in the galaxy OJ 287 Indications of a central supermassive black hole were found that is surrounded by a disk of gas that feeds it, this after the team of international scientists led by the Institute of Astrophysics of Andalusia obtained the highest resolution image of the central regions of OJ 287 which confirms the assumption.
After analysis of the data it was revealed that, indeed, the galaxy has a “unique black hole dance duo”.
“Comparison of space-based and ground-based observations revealed a progressive curvature of the jet with increasing angular resolution, consistent with theoretical predictions that OJ 287 hosts not one, but two supermassive black holes, with the secondary orbiting the primary and drilling into it. its accretion disk twice every twelve years,” mentions the publication of the institute of Andalusia.
In addition to this, the team found that both the energy of the innermost regions of the jet arises from the plasma particles, at greater distances it comes from both the particles and the magnetic field, while the magnetic field, in the innermost regions, it is screwed up.
“These results represent a step forward in our knowledge of the morphology of the jets in the vicinity of the central engine. They also confirm the role of magnetic fields in their launch and once again record indirect evidence of the existence of a binary system of black holes at the heart of OJ 287”, points Thalia Traianou, researcher at the Institute of Astrophysics of Andalusia.
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As detailed, this discovery was possible thanks to the technique known as very long base interferometry, which allows multiple geographically separated radio telescopes to work, functioning as a telescope with a diameter equivalent to the maximum distance that separates them. In this case, the science team observed OJ 287 with antennas on the ground and in space.
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