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A Lower Limit on the Halo Mass to form Supermassive Black Holes
black hole physics — hydrodynamics— galaxies: nuclei—accretion:accretion discs
2011/10/11
We consider a scenario where supermassive black holes form through direct accumulation of gas at the centre of proto-galaxies. In the first stage, the accumulated gas forms a super-massive star whose ...
A CCD Search for Wide Metal-Poor Binary Stars：Approaching the Metal-Depleted Substellar Limit
Wide Metal-Poor Binary Stars Metal-Depleted Substellar Limit
2009/6/18
A CCD Search for Wide Metal-Poor Binary Stars：Approaching the Metal-Depleted Substellar Limit。
The Mass/Eccentricity Limit in Double Star Astronomy
Stellar evolution statistics binaries
2009/5/19
A research that we conducted in 1963 on the evolution of
the binaries based on the available orbital data to obtain a philosophical
degree, led to the establishment of an interesting and new diagram...