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"Dark-ages reionization and galaxy formation simulation XI: Clustering and halo masses of high redshift galaxies" = Park et al. (2017)

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"Dark-ages reionization and galaxy formation simulation XI: Clustering and halo masses of high redshift galaxies" = Park et al. (2017)

Alan Duffy

Where do galaxies form? how big can they be? Do galaxies 'prefer' to lie closer to one another or further apart? And how does all of this change across Cosmic Time? These are just some of the questions Jaehong Park asked within the DRAGONS team in this paper. To explore how galaxies grow near one another, known as clustering, and how they grow within the larger dark matter halos, aka bias, Jaehong analysed countless thousands of simulated galaxies. Compared against one another, at different outputs from the simulated universe of DRAGONS, the overall distributions were robustly analysed with statistical tools that then permitted comparison with images from Hubble. The work is a staggering scale and one I'm sure Jaehong will be proud of for many years to come.