A team of astronomers consisting of researchers from the University of Tokyo, Kyoto University, Hiroshima University, and other institutions has discovered the fastest optical flash of a Type Ia supernova with the Tomo-e Gozen camera on the Kiso Schmidt telescope, reports a study in the Astrophysical Journal Letters published on December 8.
Researchers using the Atacama Large Millimeter/submillimeter Array (ALMA) discovered a titanic galactic wind driven by a supermassive black hole 13.1 billion years ago. This is the earliest-yet-observed example of such a wind to date and is a telltale sign that huge black holes have a profound effect on the growth of galaxies from the very early history of the Universe.
Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers found a rotating baby galaxy 1/100th the size of the Milky Way at a time when the Universe was only seven percent of its present age. Thanks to assistance by the gravitational lens effect, the team was able to explore for the first time the nature of small and dark "normal galaxies" in the early Universe, representative of the main population of the first galaxies, which greatly advances our understanding of the initial phase of galaxy evolution.
Dec 9, 2021
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