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At2018hyz

All articles tagged with #at2018hyz

science11 days ago•6 min saved

Distant Black Hole's Delayed Outburst Dwarfs The Death Star in Energy

Astronomers report continued, years-long radio brightening from the tidal disruption event AT2018hyz around a distant supermassive black hole. The energy output has surged to about 50 times its initial level and rivals a gamma-ray burst, with two possible explanations: a delayed spherical outflow launched roughly 1.7 years after disruption, or an off-axis relativistic jet; the emission is expected to peak around 2027, prompting ongoing multi-frequency monitoring to see if this unusual delayed brightening occurs in other TDEs.

via ScienceAlert|

#at2018hyz #delayed-outflow #radio-emission

science18 days ago•5 min saved

Unprecedented Black Hole Jet Surges 50x Brighter in Rare TDE

Astronomers report a rare tidal disruption event AT2018hyz producing a narrow, ultra-fast jet from a supermassive black hole 665 million light-years away. The jet is now 50x brighter than when first detected, with total energy up to 5e55 ergs and a predicted peak around 2027, challenging typical TDE models with a long-lived jet. Future observations, including with the SKA, will help uncover more such events.

via The Daily Galaxy|

#at2018hyz #black-hole #jet

space18 days ago•81 min saved

Distant black hole’s mega-jet dwarfs the Death Star’s power

Astronomers report an ultra-powerful jet from AT2018hyz, a tidal disruption event around a supermassive black hole about 665 million light-years away. Nicknamed “Jetty McJetface,” the jet’s energy output is estimated up to 5×10^55 ergs—between a trillion and 100 trillion times the Death Star’s fictional energy—and it is currently about 50 times more luminous than at first detection in 2018. Models suggest the peak brightness will occur in 2027 as the jet evolves. Jets from TDEs are rare (roughly 1% of cases), and future radio surveys like the SKA could find more such events.

via Space|

#astronomy #at2018hyz #black-hole

space19 days ago•82 min saved

Jetty McJetface marks a new era of cosmic energy in a black-hole jet

A jet from the supermassive black hole AT2018hyz—nicknamed Jetty McJetface—has brightened over four years to become one of the universe’s most energetic events. The radio emission is now at least a trillion times more energetic than the Death Star and is predicted to peak around 2027, as the star‑shredding tidal disruption powers an increasingly powerful jet that is likely not aimed at Earth.

via Live Science|

#at2018hyz #black-hole #jet