A supermassive black hole engulfed a star, tearing it apart and emitting a unique beam of light from its center.
inside Scientific research report Astronomers published Wednesday that a previously unknown black hole was discovered when a star passed too close and swallowed it.
Astronomers later observed an “afterglow” stream downstream of the disaster, known as a Tidal Disruption Event (TDE), moving directly. against the ground.
According to the paper, published on November 30, “the event began when a rogue star approached the supermassive black hole (SMBH) on a parabolic path and was torn apart in a stream of gaseous debris. About half of the mass was bound to the black hole, undergoing general relativistic induction as the gas fell back to the center, and then generated strong shocks in the space itself. .
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Scientists said the streaming beam — AT2022cmc, or “infrared/optical/ultraviolet curve” — was red at first, then turned blue within four days.
The astronomers added: “Optical and ultraviolet observations revealed a rapidly fading red ‘glow’ that quickly transitioned to a slow blue ‘plateau’, allowing the study of two components of tidal turbulence: the relativistic jet and the thermal component of the tethered star. .” Debris accreting to a black hole.”
The debris from the blast was so bright that astronomers detected it from TDE Dwarf Galaxy A million light years away.
The paper added: “Observations of the bright isotope at other wavelengths, including X-ray, MT and radio, support the interpretation of AT2022cmc as a flowing TDE containing a synchrotron.”
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TDE was discovered in February 2022 before Science News had an article about it in April 2022, and the paper was finally accepted in October 2022.
TDEs have been observed before, for example AT 2020neh in June 2020.
The Herschel Space Observatory shows that galaxies with the most powerful, active, and massive black holes produce fewer stars than galaxies with inactive black holes at their cores.
(Public History Archive/Universal Image Collection via Getty Images)
Co-author Ryan J. Foley, an astronomer at the University of California, Santa Cruz, said this initial discovery will allow astronomers to discover new TDEs and dwarf galaxies.
“This discovery generated widespread excitement because we can use tidal disruption not only to find more memes. Black holes in quiescent dwarf galaxies, but also to measure their masses.
The discovery follows years of research since the distant galaxy was first observed in June 2020, and is supported by data from the New Supernova Experiment. Re-observed from July 1, 2020 to July 17, 2020; Then from 5th August 2020 to 6th September 2020.
“During 24 months of YSE operation, we observed only one 2020neh-like event, observing the fields for about 6 months each. This equates to one event per year within the observation range of the YSE,” the paper states.
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These unique findings could lead to further discoveries in distant galaxies that would otherwise be undetectable without the visible light of the explosion.
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