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ALMA visits the QSO MUSEUM: Connecting molecular gas and the cool circumgalactic medium around 37 z~3 quasars
Jelena Ritter, Fabrizio Arrigoni Battaia, Bo Peng +5
Extended Ly emission is ubiquitous around quasars and traces the cool circumgalactic medium, providing insights into halo gas dynamics and active galactic nucleus feedback. Howe…
Constraining the nature of active galactic nuclei through circumgalactic Lya emission at z=2-3
Shiwu Zhang, Zheng Cai, Fabrizio Arrigoni Battaia +8
We present a comprehensive analysis of circumgalactic Lya nebulae around 59 unobscured and 26 obscured quasars at z=2-3, observed with the Keck Cosmic Web Imager (KCWI), to constra…
RUBIX: Differentiable forward modelling of galaxy spectral data cubes for gradient-based parameter estimation
Anna Lena Schaible, Ufuk Çakır, Tobias Buck +5
Although integral-field spectroscopy enables spatially resolved spectral studies of galaxies, bridging particle-based simulations to observations remains slow and non-differentiabl…
Testing the AGN unified model with simulated emission lines from the circumgalactic medium (CGM)
Shiwu Zhang, Zheng Cai, Aura Obreja +5
The CGM around unobscured AGN has received much attention in recent years. Comparatively, nebulae associated with obscured AGN are less studied. Here, we simulate the Ly, H,…
QSO MUSEUM III: the circumgalactic medium in Ly emission around 120 quasars covering the SDSS parameter space. Witnessing the instantaneous AGN feedback on halo scales
Jay González Lobos, Fabrizio Arrigoni Battaia, Aura Obreja +3
Recent surveys show that quasars are surrounded by Hydrogen Lyman- (Ly) glows with diverse emission levels and extents. These seem to depend on the activity of embedded…
Submillimeter galaxy overdensities around physically associated quasar pairs
Eileen Herwig, Fabrizio Arrigoni Battaia, Chian-Chou Chen +4
A commonly employed method to detect protoclusters in the young universe is the search for overdensities of massive star forming galaxies, such as submillimeter galaxies (SMGs), ar…
Bridging Simulations and Observations: New Insights into Galaxy Formation Simulations via Out-of-Distribution Detection and Bayesian Model Comparison
Lingyi Zhou, Stefan T. Radev, William H. Oliver +3
Cosmological simulations are a powerful tool to advance our understanding of galaxy formation and many simulations model key properties of real galaxies. A question that naturally…
QSO MUSEUM II: Search for extended Ly emission around eight quasar pairs
Eileen Herwig, Fabrizio Arrigoni Battaia, Jay González Lobos +7
Extended Ly emission is routinely found around single quasars (QSO) across cosmic time. However, few studies have investigated how such emission changes in fields with physicall…
Simulated [CII] in high-z galaxies
N. Muñoz-Elgueta, F. Arrigoni Battaia, G. Kauffmann +4
Extended [CII] emission on tens of kpc, also known as a [CII] halo, is being currently reported around z4-6 star-forming galaxies, especially thanks to the statistics of the…
HELLO project: High- Evolution of Large and Luminous Objects
Stefan Waterval, Andrea V. Macciò, Tobias Buck +6
We present the High- Evolution of Large and Luminous Objects (HELLO) project, a set of high-resolution cosmological simulations aimed to study Milky Way analogues ($M…
LMC Stars and Where to Find Them: Inferring Birth Radii for External Galaxies
Yuxi, Lu, Tobias Buck +5
It is well known that stars move away from their birth location over time via radial migration. This dynamical process makes computing the correct chemical evolution, e.g., metalli…
AGN radiation imprints on the circumgalactic medium of massive galaxies
Aura Obreja, Fabrizio Arrigoni Battaia, Andrea V. Macciò +1
Active Galactic Nuclei (AGN) in cosmological simulations generate explosive feedback that regulates star formation in massive galaxies, modifying the gas phase structure out to lar…
Circumgalactic Ly emission around submillimeter-bright galaxies with different quasar contributions
Vale González Lobos, Fabrizio Arrigoni Battaia, Seok-Jun Chang +6
We present VLT/MUSE observations targeting the extended Lyman- (Ly) emission of five high-redshift (3-4) submillimeter galaxies (SMGs) with increasing quasar (QSO) rad…
The luminosity-area relation of quasars' Ly nebulae
Fabrizio Arrigoni Battaia, Aura Obreja, Tiago Costa +2
Cool (~K) gas is commonly observed around quasars as traced by extended Ly emission. These large-scale nebulae are usually studied using circularly averaged sur…
The impact of early massive mergers on the chemical evolution of Milky Way-like galaxies: insights from NIHAO-UHD simulations
Tobias Buck, Aura Obreja, Bridget Ratcliffe +4
Recent observations of the Milky Way (MW) found an unexpected steepening of the star-forming gas metallicity gradient around the time of the Gaia-Sausage-Enceladus (GSE) merger eve…
JCMT/SCUBA-2 uncovers an excess of m counts on megaparsec scales around high-redshift quasars. Characterization of the overdensities and their alignment with the quasars' Ly nebulae
Fabrizio Arrigoni Battaia, Aura Obreja, Chian-Chou Chen +7
We conducted a systematic survey of the environment of high-z quasars at submillimeter wavelengths to unveil and characterize the surrounding distribution of dusty submillimeter ga…
Milky Way-like galaxies: stellar population properties of dynamically defined disks, bulges and stellar halos
Sara Ortega-Martinez, Aura Obreja, Rosa Dominguez-Tenreiro +3
The formation of galaxies can be understood in terms of the assembly patterns of each type of galactic component. To perform this kind of analysis, is necessary to define some crit…
A Multiwavelength Study of ELAN Environments (AMUSE). Mass budget, satellites spin alignment and gas infall in a massive quasar host halo
Fabrizio Arrigoni Battaia, Chian-Chou Chen, Hau-Yu Baobab Liu +14
The systematic targeting of extended Ly emission around high-redshift quasars resulted in the discovery of rare and bright Enormous Ly Nebulae (ELANe) associated with multipl…
The challenge of simultaneously matching the observed diversity of chemical abundance patterns in cosmological hydrodynamical simulations
Tobias Buck, Jan Rybizki, Sven Buder +5
With the advent of large spectroscopic surveys the amount of high quality chemo-dynamical data in the Milky Way (MW) increased tremendously. Accurately and correctly capturing and…
NIHAO -- XXV. Convergence in the cusp-core transformation of cold dark matter haloes at high star formation thresholds
Aaron A. Dutton, Tobias Buck, Andrea V. Macciò +3
We use cosmological hydrodynamical galaxy formation simulations from the NIHAO project to investigate the response of cold dark matter (CDM) haloes to baryonic processes. Previous…
Exploring the origin of low-metallicity stars in Milky Way-like galaxies with the NIHAO-UHD simulations
Federico Sestito, Tobias Buck, Else Starkenburg +6
The kinematics of the most metal-poor stars provide a window into the early formation and accretion history of the Milky Way. Here, we use 5~high-resolution cosmological zoom-in si…
Local photoionization feedback effects on galaxies
Aura Obreja, Andrea V. Macciò, Benjamin Moster +5
We implement an optically thin approximation for the effects of the local radiation field from stars and hot gas on the gas heating and cooling in the N-body SPH code GASOLINE2. We…
NIHAO-UHD: The properties of MW-like stellar disks in high resolution cosmological simulations
Tobias Buck, Aura Obreja, Andrea V. Macciò +3
Simulating thin and extended galactic disks has long been a challenge in computational astrophysics. We introduce the NIHAO-UHD suite of cosmological hydrodynamical simulations of…
NIHAO XXII: Introducing black hole formation, accretion and feedback into the NIHAO simulation suite
Marvin Blank, Andrea V. Macciò, Aaron A. Dutton +1
We introduce algorithms for black hole physics, i.e., black hole formation, accretion and feedback, into the NIHAO (Numerical Investigation of a Hundred Astrophysical Objects) proj…