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- Kyushu Sangyo UniversityJP26 papers
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9 papers · 1 filter
The Once and Future Andromeda Stream
Masao Mori, R. Michael Rich
The interaction between an accreting satellite and the Andromeda galaxy (M31) has been studied analytically and numerically, using a high-resolution N-body simulation with $4\times…
Chemodynamics of Lyman alpha emitters, Lyman break galaxies and elliptical galaxies
Masao Mori, Masayuki Umemura
We report an ultra-high-resolution simulation that follows evolution from the earliest stages of galaxy formation through the period of dynamical relaxation. The bubble structures…
The evolution of galaxies from primeval irregulars to present-day ellipticals
Masao Mori, Masayuki Umemura
The current understanding of galaxy formation is that it proceeds in a 'bottom up' way, with the formation of small clumps of gas and stars that merge hierarchically until giant ga…
QSO Formation under Coevolution of SMBH and Bulge
Nozomu Kawakatu, Masayuki Umemura, Masao Mori
he formation and growth of supermassive black holes (SMBHs) physically linked with bulges are considered. We focus on the radiation hydrodynamic process for the growth of SMBH in t…
Super-critical Accretion Flows around Black Holes: Two-dimensional, Radiation-pressure-dominated Disks with Photon-trapping
K. Ohsuga, M. Mori, T. Nakamoto +1
The quasi-steady structure of super-critical accretion flows around a black hole is studied based on the two-dimensional radiation-hydrodynamical (2D-RHD) simulations. The super-cr…
The Nature of Lya Blobs: Supernova-Dominated Primordial Galaxies
Masao Mori, Masayuki Umemura, Andrea Ferrara
We consider a forming galaxy undergoing multitudinous supernova (SN) explosions, as a possible model of \lya blobs (LABs). For this purpose, an ultra--high resolution hydrodynamic…