A first-of-its-kind 'missing link' object detected in the early Universe may solve the mystery of the oldest supermassive black holes in existence, scientists say.
"The prevalence of such sources may in fact be significantly higher than previously thought."The period GNz7q dates from is known as the– the epoch spanning from around 50 million years after the Big Bang to around 1 billion years, when the earliest celestial objects were forming, including baby stars and fledgling galaxies.
"Although the last phase has been identified out to a redshift of 7.6 [referring to J0313–1806], a transitioning quasar has not been found." Surprisingly, this 'missing link' black hole was found in a comprehensively studied region of the night sky – as part of the"Our analysis suggests that GNz7q is the first example of a rapidly growing black hole in the dusty core of a starburst galaxy at an epoch close to the earliest supermassive black hole known in the Universe,""The object's properties across the electromagnetic spectrum are in excellent agreement with predictions from theoretical simulations.
The signature of GNz7q's light emission fits the transitional black hole profile due to its brightness in ultraviolet wavelengths coinciding with an absence of X-ray emission .
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