The jet is from the most distant tidal disruption event yet observed.
Sometimes—and astronomers think they might now know exactly how often— the black hole spews superheated jets of material out into space. The energized jets are accelerated to nearly the speed of light and can be very difficult to see unless they’re pointed directly at us. Which was the case for 2022cmc.
Because the black hole’s jet is pointed at Earth, it appears much brighter to us than it would otherwise. That helped the two research teams observe the light source, despite its extraordinary distance.Twenty-one telescopes around the world viewed the jet in the X-ray, radio, optical, and ultraviolet wavelengths. It’s the first time a jetted tidal disruption event has been seen at optical wavelengths, the region of the electromagnetic spectrum that the human eye can see.
Comparing the light from this event to other luminous happenings in the cosmos, the teams determined that a jetted tidal disruption event was the sole possible culprit.“The universe is truly full of surprises and we have to be ready to catch them,” Andreoni said. “Developing more tools and new technology is surely a pathway to discovery, but also persistence and really the wish to be thrilled by the sky at any time when we least expect it.
Pasham added that other sky surveys could reveal more tidal disruptions in the future, which could then be scrutinized by space-based observatories like the Webb Telescope.
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