Search Results - "Nadler, Ethan O."
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Dark Matter Constraints from a Unified Analysis of Strong Gravitational Lenses and Milky Way Satellite Galaxies
Published in The Astrophysical journal (01-08-2021)“…Abstract Joint analyses of small-scale cosmological structure probes are relatively unexplored and promise to advance measurements of microphysical dark matter…”
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Signatures of Velocity-dependent Dark Matter Self-interactions in Milky Way-mass Halos
Published in The Astrophysical journal (01-06-2020)“…We explore the impact of elastic, anisotropic, velocity-dependent dark matter (DM) self-interactions on the host halo and subhalos of Milky Way (MW)-mass…”
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3
Strong Dark Matter Self-interactions Diversify Halo Populations within and surrounding the Milky Way
Published in The Astrophysical journal (01-06-2023)“…Abstract We perform a high-resolution cosmological zoom-in simulation of a Milky Way (MW)–like system, which includes a realistic Large Magellanic Cloud…”
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4
A Self-interacting Dark Matter Solution to the Extreme Diversity of Low-mass Halo Properties
Published in Astrophysical journal. Letters (01-12-2023)“…Abstract The properties of low-mass dark matter (DM) halos appear to be remarkably diverse relative to cold, collisionless DM predictions, even in the presence…”
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Gravothermal Solutions of SIDM Halos: Mapping from Constant to Velocity-dependent Cross Section
Published in The Astrophysical journal (01-03-2023)“…Abstract The scale-free gravothermal fluid formalism has long proved effective in describing the evolution of self-interacting dark matter halos with a…”
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Can Neutrino Self-interactions Save Sterile Neutrino Dark Matter?
Published in Astrophysical journal. Letters (01-09-2023)“…Abstract Sterile neutrinos only interact with the standard model through the neutrino sector, and thus represent a simple dark matter (DM) candidate with many…”
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From Images to Dark Matter: End-to-end Inference of Substructure from Hundreds of Strong Gravitational Lenses
Published in The Astrophysical journal (01-01-2023)“…Abstract Constraining the distribution of small-scale structure in our universe allows us to probe alternatives to the cold dark matter paradigm. Strong…”
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8
The Signatures of Self-interacting Dark Matter and Subhalo Disruption on Cluster Substructure
Published in The Astrophysical journal (01-06-2022)“…Abstract The abundance, distribution, and inner structure of satellites of galaxy clusters can be sensitive probes of the properties of dark matter. We run 30…”
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Milky Way-est: Cosmological Zoom-in Simulations with Large Magellanic Cloud and Gaia–Sausage–Enceladus Analogs
Published in The Astrophysical journal (01-08-2024)“…Abstract We present Milky Way-est, a suite of 20 cosmological cold-dark-matter-only zoom-in simulations of Milky Way (MW)-like host halos. Milky Way-est hosts…”
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10
symfind : Addressing the Fragility of Subhalo Finders and Revealing the Durability of Subhalos
Published in The Astrophysical journal (01-08-2024)“…Abstract A major question in ΛCDM is what this theory actually predicts for the properties of subhalo populations. Subhalos are difficult to accurately…”
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Symphony: Cosmological Zoom-in Simulation Suites over Four Decades of Host Halo Mass
Published in The Astrophysical journal (01-03-2023)“…Abstract We present Symphony, a compilation of 262 cosmological, cold-dark-matter-only zoom-in simulations spanning four decades of host halo mass, from 10 11…”
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Extending the SAGA Survey (xSAGA). I. Satellite Radial Profiles as a Function of Host-galaxy Properties
Published in The Astrophysical journal (01-03-2022)“…Abstract We present “Extending the Satellites Around Galactic Analogs Survey” (xSAGA), a method for identifying low- z galaxies on the basis of optical imaging…”
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Forecasts for Galaxy Formation and Dark Matter Constraints from Dwarf Galaxy Surveys
Published in The Astrophysical journal (01-05-2024)“…Abstract The abundance of faint dwarf galaxies is determined by the underlying population of low-mass dark matter (DM) halos and the efficiency of galaxy…”
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14
Target Selection and Sample Characterization for the DESI LOW-Z Secondary Target Program
Published in The Astrophysical journal (01-09-2023)“…Abstract We introduce the DESI LOW- Z Secondary Target Survey, which combines the wide-area capabilities of the Dark Energy Spectroscopic Instrument (DESI)…”
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15
SAGAbg. I. A Near-unity Mass-loading Factor in Low-mass Galaxies via Their Low-redshift Evolution in Stellar Mass, Oxygen Abundance, and Star Formation Rate
Published in The Astrophysical journal (01-05-2024)“…Abstract Measuring the relation between star formation and galactic winds is observationally difficult. In this work we make an indirect measurement of the…”
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The SAGA Survey. II. Building a Statistical Sample of Satellite Systems around Milky Way–like Galaxies
Published in The Astrophysical journal (01-02-2021)“…Abstract We present the Stage II results from the ongoing Satellites Around Galactic Analogs (SAGA) Survey. Upon completion, the SAGA Survey will…”
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Growing the first galaxies’ merger trees
Published in Monthly notices of the Royal Astronomical Society (23-03-2023)“…ABSTRACT Modelling the growth histories of specific galaxies often involves generating the entire population of objects that arise in a given cosmology and…”
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Modeling the Connection between Subhalos and Satellites in Milky Way-like Systems
Published in The Astrophysical journal (01-03-2019)“…We develop a comprehensive and flexible model for the connection between satellite galaxies and dark matter subhalos in dark matter-only zoom-in simulations of…”
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UniverseMachine: Predicting Galaxy Star Formation over Seven Decades of Halo Mass with Zoom-in Simulations
Published in The Astrophysical journal (01-07-2021)“…Abstract We apply the empirical galaxy–halo connection model UniverseMachine to dark-matter-only zoom-in simulations of isolated Milky Way (MW)–mass halos,…”
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A comprehensive model for the formation and evolution of the faintest Milky Way dwarf satellites
Published in Monthly notices of the Royal Astronomical Society (23-03-2024)“…ABSTRACT In this study, we modify the semi-analytic model galacticus in order to accurately reproduce the observed properties of dwarf galaxies in the Milky…”
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