Galaxies nurtured by mature black holes
Masahiro Morikawa

TL;DR
This paper proposes that supermassive black holes formed early and influenced galaxy formation through jets and outflows, explaining the origin of various galaxy structures within the standard cosmological model.
Contribution
It introduces a hypothesis that mature SMBHs predate stars and galaxies, providing models for how they shape galaxy structures via energetic feedback.
Findings
SMBH formation predates galaxy formation at redshift ~10
Jets from SMBHs trigger star formation in ambient gas
Globular clusters and bulges share a common origin
Abstract
Supermassive black holes (SMBH) of size are common in the Universe and they define the center of the galaxies. A galaxy and the SMBH are generally thought to have co-evolved. However, the SMBH cannot evolve so fast as commonly observed even at redshift . Therefore SMBH must form first before galaxy. Our goal is to clarify how this mature SMBH forms galaxy. Furthermore we clarify the mechanism how the SMBH designs variety of structures of galaxies. We explore a natural hypothesis that the SMBH has been formed mature at before stars and galaxies. The SMBH forms energetic jets and outflows which trigger massive star formation in the ambient gas. They eventually construct globular clusters and classical bulge as well as the body of elliptical galaxies. We propose simple models which implement these processes along with the standard CDM-model.…
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Taxonomy
TopicsGalaxies: Formation, Evolution, Phenomena · Astronomy and Astrophysical Research · Stellar, planetary, and galactic studies
