Breakthrough Discovery: Supermassive Black Hole Unleashes Ultrafast Winds
Astronomers have made a groundbreaking observation, capturing the moment when a supermassive black hole flare triggers a powerful wind traveling at relativistic speeds into space.
This ultrafast outflow, also known as a UFO, was clocked at speeds reaching 19 percent of the speed of light in a vacuum, equivalent to approximately 57,000 kilometers (35,400 miles) per second. While not the fastest outflow ever recorded, this event marks the first time the onset and evolution of a supermassive black hole flare and the resulting UFO have been observed.
Astronomer Liyi Gu of the Space Research Organisation Netherlands (SRON) commented, “We’ve not watched a black hole create winds this speedily before. For the first time, we’ve seen how a rapid burst of X-ray light from a black hole immediately triggers ultra-fast winds, with these winds forming in just a single day.”
Galaxy NGC 3783: Witnessing a Spectacular Event
The galaxy NGC 3783, a barred spiral galaxy located about 130 million light-years away, provided astronomers with a front-row seat to this extraordinary phenomenon. The active supermassive black hole at the galaxy’s center, approximately 28 million times the mass of the Sun, is consuming material at a rapid pace, leading to intense activity.
The recorded flare, observed in X-rays using ESA’s XMM-Newton and the JAXA-led XRISM, likely resulted from a filament of magnetic field near the black hole snapping and reconnecting – a process similar to solar flares but on a much larger scale.
In July 2024, researchers detected a significant increase in hard X-rays followed by a peak in soft X-rays, indicating a flare event. Subsequently, within a span of 12 hours, an ultrafast outflow signal was detected, comparable to a coronal mass ejection from the Sun.
Implications of the Discovery
The observation of this supermassive black hole unleashing rapid winds highlights the striking similarities in the behavior of celestial bodies across different scales. ESA astronomer Erik Kuulkers emphasized, “Excitingly, this suggests that solar and high-energy physics may work in surprisingly familiar ways throughout the Universe.”
This groundbreaking research has been published in Astronomy & Astrophysics.
