We present a formation scenario for metal-poor globular cluster systems. We assume old metal-poor globular clusters are formed only prior to reionization (at z ∼ 7) in merging proto-galactic building blocks; the building blocks assemble hierarchically into larger structures such as galaxies. We additionally assume that globular cluster formation is suppressed immediately after reionization: subsequent globular cluster formation results in a gap in the metallicity distributions of globular cluster systems. We describe generic predictions of the model with regard to the "blue specific frequency problem" and the spatial distribution of metal-poor globular cluster systems. We conclude with a discussion of the range of applications for this model.
CITATION STYLE
Santos, M. R. (2006). The High-Redshift Formation of Metal-Poor Globular Cluster Systems. In Extragalactic Globular Cluster Systems (pp. 348–353). Springer-Verlag. https://doi.org/10.1007/10857603_53
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