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As a quasar, TON 618 is believed to be the active galactic nucleus at the center of a galaxy, the engine of which is a supermassive black hole feeding on intensely hot gas and matter in an accretion disc. Given its observed redshift of 2.219, the light travel time of TON 618 is estimated to be approximately 10.8 billion years.
1 Μαΐ 2023 · The movie ends with TON 618, one of a handful of extremely distant and massive black holes for which astronomers have direct measurements. This behemoth contains more than 60 billion solar masses, and it boasts a shadow so large that a beam of light would take weeks to traverse it.
15 Οκτ 2020 · Astronomers have discovered the largest black hole ever measured. Its name is TON 618 and it is hidden at the heart of a distant, bright galaxy.
This is an ordered list of the most massive black holes so far discovered (and probable candidates), measured in units of solar masses (M ☉), approximately 2 × 10 30 kilograms. Introduction Comparisons of large and small black holes in galaxy OJ 287 to the Solar System
16 Σεπ 2023 · Learn about TON 618, a distant and luminous quasar with a supermassive black hole at its core. Discover its size, diameter, mass, temperature, age and how far it is from Earth.
TON 618 is a contender for largest black hole discovered, being 40 billion times the mass of the Sun and 30-40 as wide as our Solar System.
23 Μαρ 2023 · TON 618 is a supermassive black hole with a mass of 40 billion solar masses and a radius of over 1,000 AU. It powers a quasar, one of the brightest objects in the universe, and is the largest directly observed black hole with a confirmed mass.
