Just what the universe needs right now: A black hole with wind
Now Ru-Sen Lu, researcher at the Chinese Academy of Sciences, Shanghai, and a team of collaborators large enough to fill a small theater, claim to have developed new high-resolution images of M87 obtained in 2018 taken at an electron-magnetic wavelength of 3.5mm, rather than the 1.3mm data recorded in 2017 for the 2019 image.
To start with, the ring surrounding the black hole was found to be around half as much larger than the 2019 study revealed, suggesting there is much greater accretion flow into the black hole than earlier observations suggest. "This larger and thicker ring indicates a substantial contribution from the accretion flow with absorption effects, in addition to the gravitationally lensed ring-like emission. The images show that the edge-brightened jet connects to the accretion flow of the black hole," the study said.
Also supported by computational models, the study suggests the effects of wind associated with the accretion flow. The wind is driven by a combination of centrifugal force, gas, and magnetic pressure on the flow, the study said. ®
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