The “weird” flash was equivalent to the light of more than 1,000 trillion suns.
. “And weird is good in science. It means it’s something you can learn from.”
To spot dramatic transient events like these, astronomers need telescopes that continually scan as much of the sky as possible and which flag any sudden changes in brightness — like the Zwicky Transient Facility. But there are thousands of changes in brightness observed every night, so this mountain of data needs to be refined to unearth the most interesting objects. Andreoni’s group works on sifting through this data to find very fast events in the optical wavelength.
Of the stars that are ripped apart by black holes, only around 1 percent seem to produce these powerful jets, but researchers still aren’t sure exactly why. As the star is pulled apart and its material is pulled in toward the black hole, the energy of this matter is converted into light.
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