Tjitske Starkenburg
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View article: How Does Feedback Affect the Star Formation Histories of Galaxies?
How Does Feedback Affect the Star Formation Histories of Galaxies? Open
Star formation in galaxies is regulated by the interplay of a range of processes that shape the multiphase gas in the interstellar and circumgalactic media. Using the Cosmology and Astrophysics with MachinE Learning Simulations (CAMELS) su…
View article: Learning the Universe: cosmological and astrophysical parameter inference with galaxy luminosity functions and colours
Learning the Universe: cosmological and astrophysical parameter inference with galaxy luminosity functions and colours Open
We perform the first direct cosmological and astrophysical parameter inference from the combination of galaxy luminosity functions and colours using a simulation-based inference approach. Using the synthesizer code, we simulate the dust at…
View article: LIMFAST. IV. Learning High-Redshift Galaxy Formation from Multiline Intensity Mapping with Implicit Likelihood Inference
LIMFAST. IV. Learning High-Redshift Galaxy Formation from Multiline Intensity Mapping with Implicit Likelihood Inference Open
By opening up new avenues to statistically constrain astrophysics and cosmology with large-scale structure observations, the line intensity mapping (LIM) technique calls for novel tools for efficient forward modeling and inference. Implici…
View article: Learning the Universe: Physically Motivated Priors for Dust Attenuation Curves
Learning the Universe: Physically Motivated Priors for Dust Attenuation Curves Open
Understanding the impact of dust on the spectral energy distributions (SEDs) of galaxies is crucial for inferring their physical properties and for studying the nature and evolution of interstellar dust. In this study, we analyze dust atte…
View article: How does feedback affect the star formation histories of galaxies?
How does feedback affect the star formation histories of galaxies? Open
Star formation in galaxies is regulated by the interplay of a range of processes that shape the multiphase gas in the interstellar and circumgalactic media. Using the CAMELS suite of cosmological simulations, we study the effects of varyin…
View article: ChemZz I: comparing oxygen and iron abundance patterns in the Milky Way, the Local Group, and Cosmic Noon
ChemZz I: comparing oxygen and iron abundance patterns in the Milky Way, the Local Group, and Cosmic Noon Open
Our understanding of the chemical evolution of galaxies has advanced through measurements from both distant galaxies across redshift, and our own Milky Way (MW). To form a comprehensive picture, it is essential to unify these constraints, …
View article: ChemZz I: Comparing Oxygen and Iron Abundance Patterns in the Milky Way, the Local Group and Cosmic Noon
ChemZz I: Comparing Oxygen and Iron Abundance Patterns in the Milky Way, the Local Group and Cosmic Noon Open
Our understanding of the chemical evolution of galaxies has advanced through measurements from both distant galaxies across redshift, and our own Milky Way (MW). To form a comprehensive picture, it is essential to unify these constraints, …
View article: Trial by FIRE: probing the dark matter density profile of dwarf galaxies with GraphNPE
Trial by FIRE: probing the dark matter density profile of dwarf galaxies with GraphNPE Open
The dark matter (DM) distribution in dwarf galaxies provides crucial insights into both structure formation and the particle nature of DM. GraphNPE (Graph Neural Posterior Estimator), first introduced in Nguyen et al. (2023), is a novel si…
View article: Dancing Streams In Merging Halos: Stellar Streams in a MW--LMC-like merger
Dancing Streams In Merging Halos: Stellar Streams in a MW--LMC-like merger Open
Stellar streams -- formed from tidally stripped globular clusters or dwarf galaxies -- are sensitive tracers of a galaxy's accretion history and gravitational potential. While numerous streams are known in the Milky Way (MW), the formation…
View article: Streams, Shells, and Substructures in the Accretion-built Stellar Halo of NGC 300
Streams, Shells, and Substructures in the Accretion-built Stellar Halo of NGC 300 Open
We present deep optical observations of the stellar halo of NGC 300, an LMC-mass galaxy, acquired with the DEEP subcomponent of the DECam Local Volume Exploration survey using the 4 m Blanco Telescope. Our resolved star analysis reveals a …
View article: Learning the Universe: physically-motivated priors for dust attenuation curves
Learning the Universe: physically-motivated priors for dust attenuation curves Open
Understanding the impact of dust on the spectral energy distributions (SEDs) of galaxies is crucial for inferring their physical properties and for studying the nature of interstellar dust. We analyze dust attenuation curves for $\sim 6400…
View article: Streams, Shells, and Substructures in the Accretion-Built Stellar Halo of NGC 300
Streams, Shells, and Substructures in the Accretion-Built Stellar Halo of NGC 300 Open
We present deep optical observations of the stellar halo of NGC 300, an LMC-mass galaxy, acquired with the DEEP sub-component of the DECam Local Volume Exploration survey (DELVE) using the 4 m Blanco Telescope. Our resolved star analysis r…
View article: Learning the Universe: Cosmological and Astrophysical Parameter Inference with Galaxy Luminosity Functions and Colours
Learning the Universe: Cosmological and Astrophysical Parameter Inference with Galaxy Luminosity Functions and Colours Open
We perform the first direct cosmological and astrophysical parameter inference from the combination of galaxy luminosity functions and colours using a simulation based inference approach. Using the Synthesizer code we simulate the dust att…
View article: Prospects for Detecting Gaps in Globular Cluster Stellar Streams in External Galaxies with the Nancy Grace Roman Space Telescope
Prospects for Detecting Gaps in Globular Cluster Stellar Streams in External Galaxies with the Nancy Grace Roman Space Telescope Open
Stellar streams form through the tidal disruption of satellite galaxies or globular clusters orbiting a host galaxy. Globular cluster streams are exciting since they are thin (dynamically cold) and therefore sensitive to perturbations from…
View article: JWST Constraints on the UV Luminosity Density at Cosmic Dawn: Implications for 21 cm Cosmology
JWST Constraints on the UV Luminosity Density at Cosmic Dawn: Implications for 21 cm Cosmology Open
An unprecedented array of new observational capabilities are starting to yield key constraints on models of the epoch of first light in the Universe. In this Letter we discuss the implications of the UV radiation background at cosmic dawn …
View article: JWST Constraints on the UV Luminosity Density at Cosmic Dawn: Implications for 21 cm Cosmology
JWST Constraints on the UV Luminosity Density at Cosmic Dawn: Implications for 21 cm Cosmology Open
An unprecedented array of new observational capabilities are starting to yield key constraints on models of the epoch of first light in the Universe. In this Letter we discuss the implications of the UV radiation background at cosmic dawn …
View article: Code Comparison in Galaxy-scale Simulations with Resolved Supernova Feedback: Lagrangian versus Eulerian Methods
Code Comparison in Galaxy-scale Simulations with Resolved Supernova Feedback: Lagrangian versus Eulerian Methods Open
We present a suite of high-resolution simulations of an isolated dwarf galaxy using four different hydrodynamical codes: Gizmo , Arepo , Gadget , and Ramses . All codes adopt the same physical model, which includes radiative cooling, photo…
View article: Prospects for Detecting Gaps in Globular Cluster Stellar Streams in External Galaxies with the Nancy Grace Roman Space Telescope
Prospects for Detecting Gaps in Globular Cluster Stellar Streams in External Galaxies with the Nancy Grace Roman Space Telescope Open
Stellar streams form through the tidal disruption of satellite galaxies or globular clusters orbiting a host galaxy. Globular cluster streams are exciting since they are thin (dynamically cold) and, therefore sensitive to perturbations fro…
View article: VINTERGATAN-GM: The cosmological imprints of early mergers on Milky-Way-mass galaxies
VINTERGATAN-GM: The cosmological imprints of early mergers on Milky-Way-mass galaxies Open
We present a new suite of cosmological zoom-in hydrodynamical ($\approx 20\, \mathrm{pc}$ spatial resolution) simulations of Milky-Way mass galaxies to study how a varying mass ratio for a Gaia-Sausage-Enceladus (GSE) progenitor impacts th…
View article: VINTERGATAN-GM: The cosmological imprints of early mergers on Milky-Way-mass galaxies
VINTERGATAN-GM: The cosmological imprints of early mergers on Milky-Way-mass galaxies Open
We present a new suite of cosmological zoom-in hydrodynamical ($\approx 20\, \mathrm{pc}$ spatial resolution) simulations of Milky-Way mass galaxies to study how a varying mass ratio for a Gaia-Sausage-Enceladus (GSE) progenitor impacts th…
View article: Walter: A Tool for Predicting Resolved Stellar Population Observations with Applications to the Roman Space Telescope
Walter: A Tool for Predicting Resolved Stellar Population Observations with Applications to the Roman Space Telescope Open
Studies of resolved stellar populations in the Milky Way and nearby galaxies reveal an amazingly detailed and clear picture of galaxy evolution. Within the Local Group, the ability to probe the stellar populations of small and large galaxi…
View article: Code Comparison in Galaxy Scale Simulations with Resolved Supernova Feedback: Lagrangian vs. Eulerian Methods
Code Comparison in Galaxy Scale Simulations with Resolved Supernova Feedback: Lagrangian vs. Eulerian Methods Open
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}. All codes adopt the same physical model which includes radia…
View article: Hot-mode accretion and the physics of thin-disc galaxy formation
Hot-mode accretion and the physics of thin-disc galaxy formation Open
We use FIRE simulations to study disc formation in z ∼ 0, Milky Way-mass galaxies, and conclude that a key ingredient for the formation of thin stellar discs is the ability for accreting gas to develop an aligned angular momentum distribut…
View article: The In Situ Origins of Dwarf Stellar Outskirts in FIRE-2
The In Situ Origins of Dwarf Stellar Outskirts in FIRE-2 Open
Extended, old, and round stellar halos appear to be ubiquitous around high-mass dwarf galaxies (10 8.5 < M ⋆ / M ⊙ < 10 9.6 ) in the observed universe. However, it is unlikely that these dwarfs have undergone a sufficient number of minor m…
View article: Preparing for low surface brightness science with the Vera C. Rubin Observatory: Characterization of tidal features from mock images
Preparing for low surface brightness science with the Vera C. Rubin Observatory: Characterization of tidal features from mock images Open
Tidal features in the outskirts of galaxies yield unique information about their past interactions and are a key prediction of the hierarchical structure formation paradigm. The Vera C. Rubin Observatory is poised to deliver deep observati…
View article: Preparing for low surface brightness science with the Vera C. Rubin Observatory: characterisation of tidal features from mock images
Preparing for low surface brightness science with the Vera C. Rubin Observatory: characterisation of tidal features from mock images Open
Tidal features in the outskirts of galaxies yield unique information about their past interactions and are a key prediction of the hierarchical structure formation paradigm. The Vera C. Rubin Observatory is poised to deliver deep observati…
View article: The Hough Stream Spotter: A New Method for Detecting Linear Structure in Resolved Stars and Application to the Stellar Halo of M31
The Hough Stream Spotter: A New Method for Detecting Linear Structure in Resolved Stars and Application to the Stellar Halo of M31 Open
Stellar streams from globular clusters (GCs) offer constraints on the nature of dark matter and have been used to explore the dark matter halo structure and substructure of our Galaxy. Detection of GC streams in other galaxies would broade…
View article: IQ Collaboratory. III. The Empirical Dust Attenuation Framework—Taking Hydrodynamical Simulations with a Grain of Dust
IQ Collaboratory. III. The Empirical Dust Attenuation Framework—Taking Hydrodynamical Simulations with a Grain of Dust Open
We present the empirical dust attenuation (EDA) framework—a flexible prescription for assigning realistic dust attenuation to simulated galaxies based on their physical properties. We use the EDA to forward model synthetic observations for…
View article: Hubble Space Telescope Observations of GW170817: Complete Light Curves and the Properties of the Galaxy Merger of NGC 4993
Hubble Space Telescope Observations of GW170817: Complete Light Curves and the Properties of the Galaxy Merger of NGC 4993 Open
We present the complete set of Hubble Space Telescope imaging of the binary neutron star merger GW170817 and its optical counterpart AT 2017gfo. Including deep template imaging in F814W, F110W, F140W, and F160W at 3.4 yr post-merger, we re…
View article: Hot-mode accretion and the physics of thin-disk galaxy formation
Hot-mode accretion and the physics of thin-disk galaxy formation Open
We use FIRE simulations to study disk formation in z~0, Milky Way-mass galaxies, and conclude that a key ingredient for the formation of thin stellar disks is the ability for accreting gas to develop an aligned angular momentum distributio…