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Browsing Tag

OJ 287

2 posts
SScience
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Astronomers capture first-ever image of two black holes orbiting each other

  • October 12, 2025
Astronomers had long suspected that certain quasars—those brilliant, otherworldly light sources fueled by supermassive black holes—could harbor two…
SScience
This RadioAstron map two supermassive black holes at the center of OJ 287, a galaxy located about 5 billion light-years away in the constellation of Cancer: if the central component corresponds to the primary black hole, then the next one upwards marks the secondary black hole, and the highest component represents a knot in its jet; the elongation of the individual components is not real, but is a reflection of the beam shape. Image credit: Valtonen et al., doi: 10.3847/1538-4357/ae057e.
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RadioAstron Captures Radio Image of Two Supermassive Black Holes Circling Each Other

  • October 10, 2025
Using data from the RadioAstron satellite, astronomers have produced a radio image of two supermassive black holes at…
Ireland
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