159 citations · 1.4k across the 29 of their papers we have counts for
29 papers
Survival is not Enough: Dust Sputtering, Growth, and H Formation in Galactic Winds
Chia-Yu Hu, Max Gronke
A substantial amount of dust is found in galactic halos extending far beyond the disks, the origin of which remains an open question. Closely linked and equally puzzling is the det…
The GHOSDT Simulations: II. Missing H in Simulations of a Self-Regulated Interstellar Medium
Alon Gurman, Chia-Yu Hu, Michael Y. Grudic +2
Observations in the Galaxy and nearby spirals have established that the HI-to-H transition at solar metallicity occurs at gas weight of $P_{\rm DE}/k_B\approx 10^4 \ \rm K \ cm…
The GHOSDT Simulations (Galaxy Hydrodynamical Simulations with Supernova-Driven Turbulence) -- I. Magnetic Support in Gas Rich Disks
Alon Gurman, Ulrich P. Steinwandel, Chia-Yu Hu +1
Galaxies at redshift display high star formation rates (SFRs) with elevated cold gas fractions and column densities. Simulating a self-regulated ISM in a hydrodynamical…
[CII] Emission in a Self-Regulated Interstellar Medium
Alon Gurman, Chia-Yu Hu, Amiel Sternberg +1
The [CII] 157.74 m fine structure transition is one of the brightest and most well-studied emission lines in the far-infrared (FIR), produced in the interstellar medium (ISM) of…
Cosmic Sands II: Challenges in Predicting and Measuring High-z Dust Temperatures
Sidney Lower, Desika Narayanan, Chia-Yu Hu +1
In the current era of high-z galaxy discovery with JWST and ALMA, our ability to study the stellar populations and ISM conditions in a diverse range of galaxies at Cosmic Dawn has…
A Framework for Modeling Polycyclic Aromatic Hydrocarbon Emission in Galaxy Evolution Simulations
Desika Narayanan, J. D. Smith, Brandon Hensley +7
We present a new methodology for simulating mid-infrared emission from polycyclic aromatic hydrocarbons (PAHs) in galaxy evolution simulations. To do this, we combine theoretical m…
Arkenstone I: A Novel Method for Robustly Capturing High Specific Energy Outflows In Cosmological Simulations
Matthew C. Smith, Drummond B. Fielding, Greg L. Bryan +11
Arkenstone is a new model for multiphase, stellar feedback driven galactic winds designed for inclusion in coarse resolution cosmological simulations. In this first paper of a seri…
Co-evolution of Dust and Chemistry in Galaxy Simulations with a Resolved Interstellar Medium
Chia-Yu Hu, Amiel Sternberg, Ewine F. van Dishoeck
Nearby dwarf irregular galaxies are ideal laboratories for studying the interstellar medium (ISM) at low metallicity, which is expected to be common for galaxies at very high redsh…
PDFchem: A new fast method to determine ISM properties and infer environmental parameters using probability distributions
Thomas G. Bisbas, Ewine F. van Dishoeck, Chia-Yu Hu +1
Determining the atomic and molecular content of the interstellar medium (ISM) as a function of environmental parameters is of fundamental importance to understand the star-formatio…
Formation of star clusters and enrichment by massive stars in simulations of low-metallicity galaxies with a fully sampled initial stellar mass function
Natalia Lahén, Thorsten Naab, Guinevere Kauffmann +6
We present new GRIFFIN project hydrodynamical simulations that model the formation of galactic star cluster populations in low-metallicity () dwarf galaxies, including r…
Code Comparison in Galaxy Scale Simulations with Resolved Supernova Feedback: Lagrangian vs. Eulerian Methods
Chia-Yu Hu, Matthew C. Smith, Romain Teyssier +8
We present a suite of high-resolution simulations of an isolated dwarf galaxy using four different hydrodynamical codes: {\sc Gizmo}, {\sc Arepo}, {\sc Gadget}, and {\sc Ramses}. A…
The origin of the [CII]-deficit in a simulated dwarf galaxies starburst
Thomas G. Bisbas, Stefanie Walch, Thorsten Naab +6
We present [CII] synthetic observations of smoothed particle hydrodynamics (SPH) simulations of a dwarf galaxy merger. The merging process varies the star-formation rate by more th…
Dependence of on metallicity, intensity, and spatial scale in a self-regulated interstellar medium
Chia-Yu Hu, Andreas Schruba, Amiel Sternberg +1
We study the CO(1-0)-to-H conversion factor () and the line ratio of CO(2-1)-to-CO(1-0) () across a wide range of metallicity ()…
Efficient early stellar feedback can suppress galactic outflows by reducing supernova clustering
Matthew C. Smith, Greg L. Bryan, Rachel S. Somerville +4
We present a novel set of stellar feedback models, implemented in the moving-mesh code Arepo, designed for galaxy formation simulations with near-parsec (or better) resolution. The…
Structure and rotation of young massive star clusters in a simulated dwarf starburst
Natalia Lahén, Thorsten Naab, Peter H. Johansson +3
We analyze the three-dimensional shapes and kinematics of the young star cluster population forming in a high-resolution GRIFFIN project simulation of a metal-poor dwarf galaxy sta…
A-priori Validation of Subgrid-scale Models for Astrophysical Turbulence
Chia-Yu Hu, Chi-Ting Chiang
We perform a-priori validation tests of subgrid-scale (SGS) models for the turbulent transport of momentum, energy and passive scalars. To this end, we conduct two sets of high-res…
The GRIFFIN project -- Formation of star clusters with individual massive stars in a simulated dwarf galaxy starburst
Natalia Lahén, Thorsten Naab, Peter H. Johansson +5
We describe a population of young star clusters (SCs) formed in a hydrodynamical simulation of a gas-rich dwarf galaxy merger resolved with individual massive stars at sub-parsec s…
Hot phase generation by supernovae: resolution, chemistry and thermal conduction
Ulrich P. Steinwandel, Benjamin P. Moster, Thorsten Naab +2
Supernovae (SN) generate hot gas in the interstellar medium (ISM), help setting the ISM structure and support the driving of outflows. It is important to resolve the hot gas genera…
The formation of low metallicity globular clusters in dwarf galaxy mergers
Natalia Lahén, Thorsten Naab, Peter H. Johansson +3
We present a hydro-dynamical simulation at sub-parsec and few solar mass resolution of a merger between two gas-rich dwarf galaxies. Our simulation includes a detailed model for th…
Thermal and nonthermal dust sputtering in hydrodynamical simulations of the multiphase interstellar medium
Chia-Yu Hu, Svitlana Zhukovska, Rachel S. Somerville +1
We study the destruction of interstellar dust via sputtering in supernova (SN) shocks using three-dimensional hydrodynamical simulations. With a novel numerical framework, we follo…
Supernova-driven winds in simulated dwarf galaxies
Chia-Yu Hu
We investigate galactic winds driven by supernova (SN) explosions in an isolated dwarf galaxy using high-resolution (particle mass , number of neighbo…
An uncertainty principle for star formation - II. A new method for characterising the cloud-scale physics of star formation and feedback across cosmic history
J. M. Diederik Kruijssen, Andreas Schruba, Alexander P. S. Hygate +3
The cloud-scale physics of star formation and feedback represent the main uncertainty in galaxy formation studies. Progress is hampered by the limited empirical constraints outside…
Variable interstellar radiation fields in simulated dwarf galaxies: supernovae versus photoelectric heating
Chia-Yu Hu, Thorsten Naab, Simon C. O. Glover +2
We present high-resolution hydrodynamical simulations of isolated dwarf galaxies including self-gravity, non-equilibrium cooling and chemistry, interstellar radiation fields (IRSF)…
Modeling for Stellar Feedback in Galaxy Formation Simulations
Alejandro Núñez, Jeremiah P. Ostriker, Thorsten Naab +3
Various heuristic approaches to model unresolved supernova (SN) feedback in galaxy formation simulations exist to reproduce the formation of spiral galaxies and the overall ineffic…