66 citations · 320 across the 24 of their papers we have counts for
25 papers
Magnetogenesis by galactic processes: impact on circumgalactic and intergalactic fields
Rahul Ramesh, Enrico Garaldi, Chris Byrohl
We investigate the origin and evolution of cosmic magnetic fields using a suite of large-volume cosmological magnetohydrodynamic simulations (L Mpc/h) run with th…
First-Principles Turbulence-Driven Deflagration-to-Detonation Transition Mechanism for Near-Chandrasekhar Mass White Dwarf Progenitors
Krut Patel, Akshay Dongre, Robert Fisher +4
Type Ia supernovae (SNe Ia) play an important role throughout astrophysics, most notably as standardizable cosmological candles. Yet, their stellar progenitors and explosion mechan…
Lyα Nebulae in HETDEX: The Largest Statistical Census Bridging Lyα Halos and Blobs across Cosmic Noon
Erin Mentuch Cooper, Karl Gebhardt, Dustin Davis +20
The Hobby-Eberly Dark Energy Experiment (HETDEX) is an untargeted ~540 deg^2 spectroscopic survey of Lyα emission in the 1.9 < z < 3.5 Universe. In surface brightness, this survey…
Inferring the mass of the circumgalactic medium using X-ray resonant scattering
Nhut Truong, Maxim Markevitch, Dylan Nelson +1
The circumgalactic medium (CGM) regulates galaxy growth and retains the imprint of feedback from supernovae and supermassive black holes. However, the bulk of the hot CGM produces…
Lyα Intensity Mapping in HETDEX: Galaxy-Lyα Intensity Cross-Power Spectrum
Maja Lujan Niemeyer, Eiichiro Komatsu, José Luis Bernal +18
We present a measurement of the Lyman- (Ly) intensity mapping power spectrum from the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX). We measure the cross-power spect…
Analytic Model for Scattered Ly Emission in the Post-reionization Intergalactic Medium
Hyunbae Park, Hyunmi Song, Chris Byrohl +3
Ly intensity mapping is emerging as a new probe of faint galaxies consisting the cosmic web that elude traditional surveys. However, the resonant nature of Ly radiative trans…
THOR: a GPU-accelerated and MPI-parallel radiative transfer code
Chris Byrohl, Dylan Nelson
Emission and absorption line features are important diagnostics for the physics underlying extragalactic astronomy. The interpretation of observed signatures involves comparing aga…
Simulating realistic Lyman- emitting galaxies including the effect of radiative transfer
Hasti Khoraminezhad, Shun Saito, Max Gronke +1
We present an empirical yet physically motivated simulation of realistic Lyman- emitters (LAEs) at , crucial for ongoing and forthcoming cosmological LAE surveys. We c…
Disentangling the galactic and intergalactic components in 313 observed Lyman-alpha line profiles between redshift 0 and 5
Siddhartha Gurung-López, Chris Byrohl, Max Gronke +5
Lyman-Alpha (Lya) photons emitted in star-forming galaxies undergo complex radiative transfer through the interstellar (ISM), circumgalactic (CGM), and intergalactic medium (IGM),…
zELDA II: reconstruction of galactic Lyman-alpha spectra attenuated by the intergalactic medium using neural networks
Siddhartha Gurung-Lopez, Chris Byrohl, Max Gronke +5
The observed Lyman-Alpha (Lya) line profile is a convolution of the complex Lya radiative transfer taking place in the interstellar, circumgalactic and intergalactic medium (ISM, C…
votess: A multi-target, GPU-capable, parallel Voronoi tessellator
Samridh Dev Singh, Chris Byrohl, Dylan Nelson
votess is a library for computing parallel 3D Voronoi tessellations on heterogeneous platforms, from CPUs and GPUs, to future accelerator architectures. To do so, it leverages the…
Introducing cosmosTNG: simulating galaxy formation with constrained realizations of the COSMOS field
Chris Byrohl, Dylan Nelson, Benjamin Horowitz +2
We introduce the new cosmological simulation project cosmosTNG, a first-of-its-kind suite of constrained galaxy formation simulations for the universe at Cosmic Noon (). c…
scida: scalable analysis for scientific big data
Chris Byrohl, Dylan Nelson
scida is a Python package for reading and analyzing large scientific data sets with support for various cosmological and galaxy formation simulations out-of-the-box. Data access is…
Absorption Troughs of Lyman Alpha Emitters in HETDEX
Laurel H. Weiss, Dustin Davis, Karl Gebhardt +21
The Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) is designed to detect and measure the redshifts of more than one million Ly emitting galaxies (LAEs) between $1.88 < z…
Resonant scattering of the OVII X-ray emission line in the circumgalactic medium of TNG50 galaxies
Dylan Nelson, Chris Byrohl, Anna Ogorzalek +15
We study the impact of resonantly scattered X-ray line emission on the observability of the hot circumgalactic medium (CGM) of galaxies. We apply a Monte Carlo radiative transfer p…
The cosmic web in Lyman-alpha emission
Chris Byrohl, Dylan Nelson
We develop a comprehensive theoretical model for Lyman-alpha emission, from the scale of individual Lyman-alpha emitters (LAEs) to Lyman-alpha halos (LAHs), Lyman-alpha blobs (LABs…
Surface Brightness Profile of Lyman- Halos out to 320 kpc in HETDEX
Maja Lujan Niemeyer, Eiichiro Komatsu, Chris Byrohl +18
We present the median-stacked Lyman- surface brightness profile of 968 spectroscopically selected Lyman- emitting galaxies (LAEs) at redshifts in the early data o…
The cold circumgalactic medium in emission: MgII halos in TNG50
Dylan Nelson, Chris Byrohl, Celine Peroux +2
We outline theoretical predictions for extended emission from MgII, tracing cool ~10^4 K gas in the circumgalactic medium (CGM) of star-forming galaxies in the high-resolution TNG5…
Cosmological 3D HI Gas Map with HETDEX Ly Emitters and eBOSS QSOs at : IGM-Galaxy/QSO Connection and a 40-Mpc Scale Giant HII Bubble Candidate
Shiro Mukae, Masami Ouchi, Gary J. Hill +20
We present cosmological ( Mpc) distributions of neutral hydrogen (HI) in the inter-galactic medium (IGM) traced by Ly Emitters (LAEs) and QSOs at , selected w…
The physical origins and dominant emission mechanisms of Lyman-alpha halos: results from the TNG50 simulation in comparison to MUSE observations
Chris Byrohl, Dylan Nelson, Christoph Behrens +6
Extended Lyman-alpha emission is now commonly detected around high redshift galaxies through stacking and even on individual basis. Despite recent observational advances, the physi…
Variations of Observed Lyman-α Spectra Shapes due to the Intergalactic Absorption
Chris Byrohl, Max Gronke
Lyman- (Ly) spectra provide insights into the small-scale structure and kinematics of neutral hydrogen (HI) within galaxies as well as the ionization state of the intergalact…
Radiative Transfer Distortions of Lyman- Emitters: a New Fingers-of-God Damping in the Clustering in Redshift Space
Chris Byrohl, Shun Saito, Christoph Behrens
Complex radiative transfer (RT) of the Lyman- photons poses a theoretical challenge to galaxy surveys which infer the large-scale structure with Lyman- emitters (LAEs). Guide…
The Intrinsic Stochasticity of the Ni Distribution of Single-Degenerate Type Ia Supernovae
Chris Byrohl, Robert T. Fisher, Dean M. Townsley
Binary Chandrasekhar-mass white dwarfs accreting mass from non-degenerate stellar companions through the single-degenerate channel have reigned for decades as the leading explanati…
The impact of Lyman- radiative transfer on large-scale clustering in the Illustris simulation
Christoph Behrens, Chris Byrohl, Shun Saito +1
Lyman- emitters (LAEs) are a promising probe of the large-scale structure at high redshift, . In particular, the Hobby-Eberly Telescope Dark Energy Experiment aims a…