Astronomers have obtained images of two galaxies with a quasar at their centre. This was reported by the Institute for Physico-Mathematics named after Kavli.
Quasars are some of the brightest objects in the universe. These are the active nuclei of young galaxies, at the center of which a supermassive black hole forms an accretion disk. Under the influence of gravity, the disk shrinks and becomes a powerful source of radiation, outshining the light of the rest of the galaxy.
The James Webb Infrared Telescope transmitted images of two quasars, HSC J2236+0032 and HSC J2255+0251. Their redshifts (a measure of distance) are 6.40 and 6.34, meaning that astronomers are observing objects in a relatively young universe age, 860 million years after the Big Bang.
Photometric analysis of galaxies containing quasars has shown that their masses are large: between 130 and 34 billion times the mass of the Sun. Measuring the velocity of turbulent gas near quasars made it possible to estimate the mass of the black holes that formed them at between 1.4 and 0.2 billion solar masses. The ratio of the mass of the black hole to the mass of the host galaxy is similar to previous observations, suggesting that the pattern between these two values manifests itself 800 million years after the Big Bang.
The authors hope that further research in this area will make it possible to find out how supermassive black holes are able to capture such a large amount of material despite its short duration.
Formerly paleontologists to solvethat the ancient megalodon shark was warm-blooded.