277 citations · 3.5k across the 67 of their papers we have counts for
66 papers
The SPHINX public data release. II. Using low-ionisation absorption lines and dust attenuation to predict Lyman continuum escape
Valentin Mauerhofer, Jérémy Blaizot, Thibault Garel +11
Low-ionisation state (LIS) absorption lines, such as SiII 1526, are widely used to trace the properties of the interstellar medium (ISM) in galaxies. These lines provide crucial in…
The Lyman-alpha and Continuum Origins Survey II: the connection between the escape of ionizing radiation and Lyman-alpha halos in star-forming galaxies
A. Saldana-Lopez, M. J. Hayes, A. Le Reste +24
One of the current challenges in galaxy evolution studies is to establish the mechanisms that govern the escape of ionizing radiation from galaxies. Here, we investigate the connec…
Extended red wings and the visibility of reionization-epoch Lyman- emitters
Yuxuan Yuan, Sergio Martin-Alvarez, Martin G. Haehnelt +4
The visibility of the Lyman- (Ly) emission from reionization-epoch galaxies depends sensitively on the extent of the intrinsic \lya emission redwards of 1215.67~Å. The promin…
A public grid of radiative transfer simulations for Lyman-alpha and metal lines in idealised galactic outflows
Thibault Garel, Léo Michel-Dansac, Anne Verhamme +5
The vast majority of star-forming galaxies are surrounded by large reservoirs of gas ejected from the interstellar medium. Ultraviolet absorption and emission lines represent power…
Witnessing an extreme, highly efficient galaxy formation mode with resolved Ly and LyC emission
R. Marques-Chaves, D. Schaerer, E. Vanzella +9
J1316+2614 at z=3.613 is the UV-brightest ( = -24.7) and strongest Lyman continuum (LyC, 90%) emitting star-forming galaxy known, showing also signa…
The MUSE eXtremely Deep Field: Detections of circumgalactic SiII* emission at z>~2
Haruka Kusakabe, Valentin Mauerhofer, Anne Verhamme +17
The circumgalactic medium (CGM) serves as a baryon reservoir that connects galaxies to the intergalactic medium and fuels star formation. The spatial distribution of the metal-enri…
Comparing the VANDELS sample to a zoom-in Radiative Hydrodynamical Simulation: using the Si II and C II line spectra as tracers of galaxy evolution and Lyman Continuum leakage
Simon Gazagnes, Fergus Cullen, Valentin Mauerhofer +8
We compare mock ultraviolet C II and Si II absorption and emission line features generated using a ~10 virtual galaxy with observations of 131 galaxies from the…
The impact of nebular Lyman-Continuum on ionising photons budget and escape fractions from galaxies
C. Simmonds, A. Verhamme, A. K. Inoue +3
Several Lyman Continuum (LyC) emitters have been detected so far, but their observed ionising spectra sometimes differ from attenuated stellar spectra predicted by stellar populati…
The Great Escape: Understanding the Connection Between Ly Emission and LyC Escape in Simulated JWST Analogues
Nicholas Choustikov, Harley Katz, Aayush Saxena +6
Constraining the escape fraction of Lyman Continuum (LyC) photons from high-redshift galaxies is crucial to understanding reionization. Recent observations have demonstrated that v…
Ly emission as a sensitive probe of feedback-regulated LyC escape from dwarf galaxies
Yuxuan Yuan, Sergio Martin-Alvarez, Martin G. Haehnelt +2
Ly emission is an exceptionally informative tracer of the life cycle of evolving galaxies and the escape of ionising photons. However, theoretical studies of Ly emission are…
Radiative transfer of Lyman- photons at cosmic dawn with realistic gas physics
Shikhar Mittal, Girish Kulkarni, Thibault Garel
Lyman- photons enable the cosmic dawn 21-cm signal through a process called the Wouthuysen-Field effect. An accurate model of the signal in this epoch hinges on the accuracy of…
Spatially-resolved Spectroscopic Analysis of Ly Haloes: Radial Evolution of the Ly Line Profile out to 60 kpc
Yucheng Guo, Roland Bacon, Lutz Wisotzki +11
The extended Ly haloes (LAHs) have been found to be prevalent around high-redshift star-forming galaxies. However, the origin of the LAHs is still a subject of debate. Spatially…
Median Surface Brightness Profiles of Lyman- Haloes in the MUSE Extremely Deep Field
Yucheng Guo, Roland Bacon, Lutz Wisotzki +10
We present the median surface brightness profiles of diffuse Ly haloes (LAHs) around star-forming galaxies by stacking 155 spectroscopically confirmed Ly emitters (LAEs) at 3…
The Sphinx Public Data Release: Forward Modelling High-Redshift JWST Observations with Cosmological Radiation Hydrodynamics Simulations
Harley Katz, Joki Rosdahl, Taysun Kimm +7
The recent launch of JWST has ushered in a new era of high-redshift astronomy by providing detailed insights into the gas and stellar populations of galaxies in the epoch of reioni…
Interpreting the Si II and C II line spectra from the COS Legacy Spectroscopic SurveY using a virtual galaxy from a high-resolution radiation-hydrodynamic simulation
Simon Gazagnes, Valentin Mauerhofer, Danielle A. Berg +19
Observations of low-ionization state (LIS) metal lines provide crucial insights into the interstellar medium of galaxies, yet, disentangling the physical processes responsible for…
Simulating the diversity of shapes of the Lyman- line
Jeremy Blaizot, Thibault Garel, Anne Verhamme +6
The Ly line is a powerful probe of distant galaxies, which contains information about inflowing/outflowing gas through which Ly photons scatter. To develop our understanding…
Large-scale excess HI absorption around galaxies detected in a background galaxy spectrum in the MUSE eXtremely Deep Field
Jorryt Matthee, Christopher Golling, Ruari Mackenzie +12
Observationally mapping the relation between galaxies and the intergalactic medium (IGM) is of key interest for studies of cosmic reionization. Diffuse hydrogen gas has typically b…
On the evolution of the size of Lyman alpha halos across cosmic time: no change in the circumgalactic gas distribution when probed by line emission
Axel Runnholm, Matthew J. Hayes, Yu-Heng Lin +18
Lyman (Ly) is now routinely used as a tool for studying high-redshift galaxies and its resonant nature means it can trace neutral hydrogen around star-forming galaxies. Inte…
Two Modes of LyC Escape From Bursty Star Formation: Implications for [C II] Deficits and the Sources of Reionization
Harley Katz, Aayush Saxena, Joki Rosdahl +9
We use the SPHINX cosmological radiation hydrodynamics simulation to study how Lyman Continuum (LyC) photons escape from galaxies and the observational signatures of this es…
LyC escape from SPHINX galaxies in the Epoch of Reionization
Joakim Rosdahl, Jérémy Blaizot, Harley Katz +7
We measure escape fractions, , of ionizing radiation from galaxies in the SPHINX suite of cosmological radiation-hydrodynamical simulations of reionization, resolving…
MgII in the JWST Era: a Probe of Lyman Continuum Escape?
Harley Katz, Thibault Garel, Joakim Rosdahl +7
Limited constraints on the evolution of the Lyman Continuum (LyC) escape fraction represent one of the primary uncertainties in the theoretical determination of the reionization hi…
Tracing Lyman-alpha and Lyman Continuum Escape in Galaxies with Mg II Emission
Xinfeng Xu, Alaina Henry, Timothy Heckman +29
Star-forming galaxies are considered the likeliest source of the H I ionizing Lyman Continuum (LyC) photons that reionized the intergalactic medium at high redshifts. However, abov…
Predicting LyC emission of galaxies using their physical and Ly emission properties
Moupiya Maji, Anne Verhamme, Joakim Rosdahl +9
The primary difficulty in understanding the sources and processes that powered cosmic reionization is that it is not possible to directly probe the ionizing Lyman Continuum (LyC) r…
The Low-Redshift Lyman Continuum Survey II: New Insights into LyC Diagnostics
Sophia R. Flury, Anne E. Jaskot, Harry C. Ferguson +44
The Lyman continuum (LyC) cannot be observed at the epoch of reionization (z {\gtrsim} 6) due to intergalactic H I absorption. To identify Lyman continuum emitters (LCEs) and infer…