Seeding high-redshift QSOs by collisional runaway in primordial star clusters | Zendy

Harley Katz | Zendy; Debora Sijacki | Zendy; Martin G. Haehnelt | Zendy

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Seeding high-redshift QSOs by collisional runaway in primordial star clusters

Author(s) -

Harley Katz,

Debora Sijacki,

Martin G. Haehnelt

Publication year - 2015

Publication title -

monthly notices of the royal astronomical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.058

H-Index - 383

eISSN - 1365-8711

pISSN - 0035-8711

DOI - 10.1093/mnras/stv1048

Subject(s) - physics , astrophysics , redshift , star cluster , metallicity , halo , star formation , cluster (spacecraft) , astronomy , population , stars , qsos , galaxy , demography , sociology , computer science , programming language

We study how runaway stellar collisions in high-redshift, metal-poor star clusters form very massive stars (VMSs) that can directly collapse to intermediate-mass black holes (IMBHs). We follow the evolution of a pair of neighbouring high-redshift mini-haloes with high-resolution, cosmological hydrodynamical zoom-in simulations using the adaptive mesh refinement code RAMSES combined with the non-eq...

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