The Manhattan Suite: Accelerated galaxy evolution in the early Universe

Abstract

Observational advances have allowed the detection of galaxies, protoclusters, and galaxy clusters at higher and higher redshifts, opening a new view into extreme galaxy evolution. I present an argument that the high redshift, massive galaxies discovered over the last decade are really the most massive galaxies within protocluster-cores of galaxy clusters at $z\sim 2$, and that they are the partial descendants of same galaxies discovered by JWST at $z\sim 9$. To that end, I present $\text{The Manhattan Suite}$, a set of $100$ high resolution zoom-in simulations of the most massive galaxy clusters, out to $9R_{\mathrm{vir}}$, selected at $z=2$ from a ($1.5\mathrm{cGpc}{)}^3$ parent volume, and simulated using the $\text{Simba}$ model. Unlike other cluster suites, my selection at $z=2$ ensures that these systems are biased in a similar fashion to observations, in that they should be the brightest and the most massive by construction at $z\gtrsim 2$. I show that my sample is able to reproduce extremely star-bursting protoclusters such as SPT2349-56, high redshift galaxy clusters XLSSC122 and JKCS0249, and the wealth of massive (sometimes quenched) galaxies at $z\gtrsim 3$ and up to $z\sim 9$. I argue that these systems are intimately linked, and represent the same evolutionary history.

19 pages, 7 figures, published in ApJ

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Cited by in corpus (8)

• PRIMER & JADES reveal an abundance of massive quiescent galaxies at 2 < z < 5
• A Large Molecular Gas Reservoir in the Protocluster SPT2349$-$56 at $z=4.3$
• Quantifying the Impact of Incompleteness on Identifying and Interpreting Galaxy Protocluster Populations with the TNG-Cluster Simulation
• Submillimeter galaxy overdensities around physically associated quasar pairs
• Bright [CII]158$\mu$m Streamers as a Beacon for Giant Galaxy Formation in SPT2349$-$56 at $z=4.3$
• Super-Eddington accretion in high-redshift quasar hosts: Black-hole driven outflows, galaxy quenching, and the nature of little red dots
• Forged by Feedback: Stellar Properties of Brightest Group Galaxies in Cosmological Simulations
• The Photometric Analysis of the Environment Around Two Dusty Star-Forming Galaxies at $z\sim 2$