Formation of primordial supermassive stars by burst accretion
Monthly Notices of the Royal Astronomical Society(2015)
摘要
Recent observations show that supermassive black holes (BHs) with ∼109 M⊙ exist at redshift z ≳ 6. A promising formation channel is the so-called direct collapse model, which posits that a massive seed BH forms through gravitational collapse of a ∼105 M⊙ supermassive star (SMS). We study the evolution of such an SMS growing by rapid mass accretion. In particular, we examine the impact of time-depe...
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关键词
stars: formation,galaxies: formation,cosmology: theory,early Universe
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