302 citations · 2.5k across the 65 of their papers we have counts for
42 papers · 1 filter
TORRCH: Tomographic reconstruction of the reionization of cosmic hydrogen with Ly emitters and non-Ly-selected galaxies
Soumak Maitra, Girish Kulkarni, Vipul Arora +5
Tomographic reconstruction of reionization is a long-sought goal. It would move the field beyond global summary statistics, such as the volume-averaged ionised fraction, to direct,…
The Lyman- emitter bispectrum as a probe of reionization morphology
Soumak Maitra, Girish Kulkarni, Shikhar Asthana +3
Ly emitters (LAEs) have now been discovered out to redshift , and are valuable probes of the reionization history at redshifts beyond the reach of other currently availabl…
How probable is the Lyman- damping wing in the spectrum of the redshift z = 5.9896 quasar ULAS J0148+0600?
Fiona Sawyer, James S. Bolton, George D. Becker +5
The shape of the Ly- transmission in the near zone of the redshift quasar ULAS J01480600 (hereafter J0148) is consistent with a damping wing arising from an extend…
The connection between high-redshift galaxies and Lyman transmission in the Sherwood-Relics simulations of patchy reionisation
Luke Conaboy, James S. Bolton, Laura C. Keating +3
Recent work has suggested that, during reionisation, spatial variations in the ionising radiation field should produce enhanced Ly forest transmission at distances of tens of c…
The ionizing photon budget and effective clumping factor in radiative transfer simulations calibrated to Lyman-alpha forest data
Shikhar Asthana, Girish Kulkarni, Martin G. Haehnelt +3
Recent JWST observations have allowed for the first time to obtain comprehensive measurements of the ionizing photon production efficiency for a wide range of reion…
Percent-level timing of reionization: self-consistent, implicit-likelihood inference from XQR-30+ Ly forest data
Yuxiang Qin, Andrei Mesinger, David Prelogović +13
The Lyman alpha (Lya) forest in the spectra of z>5 quasars provides a powerful probe of the late stages of the Epoch of Reionization (EoR). With the recent advent of exquisite data…
The Lyman-limit photon mean free path at the end of late reionisation in the Sherwood-Relics simulations
Jennifer Feron, Luke Conaboy, James S. Bolton +5
Recent evidence supporting reionisation ending at redshift z<6 includes the rapid redshift evolution of the mean free path for Lyman-limit photons through the intergalactic medium…
IGM damping wing constraints on the tail end of reionisation from the enlarged XQR-30 sample
Bradley Greig, Andrei Mesinger, Eduardo Bañados +16
The attenuation of Ly photons by neutral hydrogen in the intergalactic medium (IGM) at continues to be a powerful probe for studying the epoch of reionisation. Given…
Late-end reionization with ATON-HE: towards constraints from Lyman- emitters observed with JWST
Shikhar Asthana, Martin G. Haehnelt, Girish Kulkarni +3
We present a new suite of late-end reionization simulations performed with ATON-HE, a revised version of the GPU-based radiative transfer code ATON that includes helium. The simula…
Chronicling the reionization history at with emergent quasar damping wings
Dominika Ďurovčíková, Anna-Christina Eilers, Huanqing Chen +6
The spectra of high-redshift () quasars contain valuable information on the progression of the Epoch of Reionization (EoR). At redshifts , the observed Lyman-serie…
Robustness of direct measurements of the mean free path of ionizing photons in the epoch of reionization
Sindhu Satyavolu, Girish Kulkarni, Laura C. Keating +1
Measurements of the mean free path of Lyman-continuum photons in the intergalactic medium during the epoch of reionization can help constrain the nature of the sources as well as s…
Measurements of the Lyman- forest flux auto-correlation functions from the extended XQR-30 data set
Molly Wolfson, Joseph F. Hennawi, Sarah E. I. Bosman +14
Recently, the Lyman- (Ly) forest flux auto-correlation function has been shown to be sensitive to the mean free path of hydrogen-ionizing photons, , for simul…
Unveiling Dark Matter free-streaming at the smallest scales with high redshift Lyman-alpha forest
Vid Iršič, Matteo Viel, Martin G. Haehnelt +8
This study introduces novel constraints on the free-streaming of thermal relic warm dark matter (WDM) from Lyman- forest flux power spectra. Our analysis utilises a high-resolut…
Investigating the characteristic shape and scatter of intergalactic damping wings during reionization
Laura C. Keating, Ewald Puchwein, James S. Bolton +2
Ly damping wings in the spectra of bright objects at high redshift are a useful probe of the ionization state of the intergalactic medium during the reionization epoch. It has r…
Probing Ultra-late Reionization: Direct Measurements of the Mean Free Path over
Yongda Zhu, George D. Becker, Holly M. Christenson +22
The mean free path of ionizing photons, , is a critical parameter for modeling the intergalactic medium (IGM) both during and after reionization. We present direct mea…
The 21-cm bispectrum from neutral hydrogen islands at z < 6
Janakee Raste, Girish Kulkarni, Catherine A. Watkinson +2
Spatial variations in the Lyman- forest opacity at seem to require a late end to cosmic reionization. In this picture, the universe contains neutral hydrogen 'islands' of…
Measuring the photo-ionization rate, neutral fraction and mean free path of HI ionizing photons at from a large sample of XShooter and ESI spectra
Prakash Gaikwad, Martin G. Haehnelt, Frederick B. Davies +16
We measure the mean free path (), photo-ionization rate () and neutral fraction () of hydrogen in 12 redshif…
Possible evidence for a large-scale enhancement in the Lyman- forest power spectrum at redshift
Margherita Molaro, Vid Iršič, James S. Bolton +5
Inhomogeneous reionization enhances the 1D Lyman- forest power spectrum on large scales at redshifts . This is due to coherent fluctuations in the ionized hydrogen fract…
Probing quasar lifetimes with proximate -centimetre absorption in the diffuse intergalactic medium at redshifts
Tomáš Šoltinský, James S. Bolton, Margherita Molaro +5
Enhanced ionizing radiation in close proximity to redshift quasars creates short windows of intergalactic Ly transmission blueward of the quasar Ly emission line…
The Sherwood-Relics simulations: overview and impact of patchy reionization and pressure smoothing on the intergalactic medium
Ewald Puchwein, James S. Bolton, Laura C. Keating +10
We present the Sherwood-Relics simulations, a new suite of large cosmological hydrodynamical simulations aimed at modelling the intergalactic medium (IGM) during and after the cosm…
Long Dark Gaps in the Ly Forest at : Evidence of Ultra Late Reionization from XQR-30 Spectra
Yongda Zhu, George D. Becker, Sarah E. I. Bosman +22
We present a new investigation of the intergalactic medium (IGM) near reionization using dark gaps in the Lyman- (Ly) forest. With its lower optical depth, Ly offers a pot…
Assuming Ionization Equilibrium and the Impact on the Lyman- Forest Power Spectrum during the End of Reionization at
Samir Kušmić, Kristian Finlator, Laura Keating +1
We explore how the assumption of ionization equilibrium modulates the modeled intergalactic medium (IGM) at the end of the hydrogen Epoch of Reionization using the cosmological rad…
COMAP Early Science: I. Overview
Kieran A. Cleary, Jowita Borowska, Patrick C. Breysse +40
The CO Mapping Array Project (COMAP) aims to use line intensity mapping of carbon monoxide (CO) to trace the distribution and global properties of galaxies over cosmic time, back t…
COMAP Early Science: VII. Prospects for CO Intensity Mapping at Reionization
Patrick C. Breysse, Dongwoo T. Chung, Kieran A. Cleary +29
We introduce COMAP-EoR, the next generation of the Carbon Monoxide Mapping Array Project aimed at extending CO intensity mapping to the Epoch of Reionization. COMAP-EoR supplements…