The first event-horizon-scale image of the M87 black hole shows a 42 microarcsecond diameter ring with a central brightness depression, consistent with the shadow of a Kerr black hole.
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4 Pith papers cite this work. Polarity classification is still indexing.
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A neutrino flare in GB6 J1542+6129 precedes gamma-ray and radio activity by about one year, indicating upstream neutrino production near the AGN central engine.
A tenfold larger sample of AGN radio source sizes confirms a real angular size-redshift relation but indicates that scatter must drop below 20% or samples reach thousands to 100,000 to constrain Ω_m effectively.
Correlations link the radio cores and select jet components in 3C 454.3 to portions of the observed gamma-ray variability, indicating multiple emission regions and synchrotron self-Compton processes.
citing papers explorer
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First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole
The first event-horizon-scale image of the M87 black hole shows a 42 microarcsecond diameter ring with a central brightness depression, consistent with the shadow of a Kerr black hole.
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Upstream neutrino production and delayed jet emission in the blazar GB6 J1542+6129
A neutrino flare in GB6 J1542+6129 precedes gamma-ray and radio activity by about one year, indicating upstream neutrino production near the AGN central engine.
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Revisiting the angular size-redshift cosmological test with milliarcsecond radio structures in active galactic nuclei
A tenfold larger sample of AGN radio source sizes confirms a real angular size-redshift relation but indicates that scatter must drop below 20% or samples reach thousands to 100,000 to constrain Ω_m effectively.
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Relationship between the $\gamma-$ray variability and the pc-scale jet in the blazar 3C 454.3
Correlations link the radio cores and select jet components in 3C 454.3 to portions of the observed gamma-ray variability, indicating multiple emission regions and synchrotron self-Compton processes.