Unprecedented Image of Black Hole’s Powerful Jet and Shadow Captured by Astronomers — Millimeter-VLBI image of t |
and the jet in separate images, but now we have taken a panoramic picture of the black hole together with its jet at a new wavelength,” says Ru-Sen Lu of the Shanghai Astronomical Observatory, who also leads a Max Planck Research Group at theThis image shows the jet and shadow of the black hole at the center of the M87 galaxy together for the first time. This image gives scientists the context needed to understand how the powerful jet is formed.
The 14-meter radio telescope of the Aalto University Metsähovi Radio Observatory was one of the stations that collected data for the new image. “The Event Horizon Telescope image shows the black hole shadow in M87, but those observations were not able to detect the weaker and more extended jet because of the small number of telescopes that participated in them. There are even fewer telescopes capable of observing at 1.3 mm wavelength than there are telescopes observing at 3.5 mm,” Savolainen says.
Kazuhiro Hada from the National Astronomical Observatory of Japan adds: “We also find something surprising in our data: the radiation from the inner region close to the black hole is broader than we expected. This could mean that there is more than just gas falling in. There could also be a wind blowing out, causing turbulence and chaos around the black hole.”
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