NeutralUniverseMachine: An Empirical Model for the Evolution of H i and H2 Gas in the Universe

H Guo, J Wang, MG Jones… - The Astrophysical …, 2023 - iopscience.iop.org
Accurately modeling the cold gas content in the universe is challenging for current
theoretical models. We propose a new empirical model NeutralUniverseMachine for the …

MIGHTEE-H i: deep spectral line observations of the COSMOS field

I Heywood, AA Ponomareva, N Maddox… - Monthly Notices of …, 2024 - academic.oup.com
The MIGHTEE survey utilizes the South African MeerKAT radio telescope to observe four
extragalactic deep fields, with the aim of advancing our understanding of the formation and …

The Hi Mass Function of Star-forming Galaxies at z≈ 1

A Chowdhury, N Kanekar… - The Astrophysical …, 2024 - iopscience.iop.org
We present the first estimate, based on direct H i 21 cm observations, of the H i mass
function (H i MF) of star-forming galaxies at z≈ 1, obtained by combining our measurement …

Deep extragalactic H i survey of the COSMOS field with FAST

H Pan, MJ Jarvis, M Zhu, YZ Ma… - Monthly Notices of …, 2024 - academic.oup.com
We present a deep H i survey at L band conducted with the Five-hundred-metre Aperture
Spherical radio Telescope (FAST) over the COSMOS field. This survey is strategically …

MIGHTEE-H i: the MH iM* relation over the last billion years

H Pan, MJ Jarvis, MG Santos, N Maddox… - Monthly Notices of …, 2023 - academic.oup.com
We study the relation over the last billion years using the MIGHTEE-H i sample. We first
model the upper envelope of the relation with a Bayesian technique applied to a total …

The tiered radio extragalactic continuum (T-RECS) simulation II: H i emission and continuum-H i cross-correlation

A Bonaldi, P Hartley, T Ronconi… - Monthly Notices of the …, 2023 - academic.oup.com
In this paper, we extend the Tiered Radio Extragalactic Continuum Simulation (T-RECS) to
include H i emission. The H i T-RECS model is based on the most recent H i mass function …

The discovery of a z = 0.7092 OH megamaser with the MIGHTEE survey

MJ Jarvis, I Heywood, SM Jewell… - Monthly Notices of …, 2024 - academic.oup.com
We present the discovery of the most distant OH megamaser (OHM) to be observed in the
main lines, using data from the MeerKAT International Giga-Hertz Tiered Extragalactic …

Recent Developments on the Hi Gas of Low-Redshift Galaxies Seen by the 21cm Emission Lines

J Wang, X Lin - Chinese Physics Letters, 2024 - iopscience.iop.org
Recent Developments on the H i Gas of Low-Redshift Galaxies Seen by the 21 cm Emission
Lines Page 1 Chinese Physics Letters ACCEPTED MANUSCRIPT Recent Developments …

MeerKLASS L-band deep-field intensity maps: entering the H i dominated regime

M Barberi-Squarotti, JL Bernal, P Bull… - Monthly Notices of …, 2025 - academic.oup.com
We present results from MeerKAT single-dish H i intensity maps, the final observations to be
performed in L-band in the MeerKAT Large Area Synoptic Survey (MeerKLASS) campaign …

H i Intensity Map** Cross-correlation with Thermal Sunyaev–Zel'dovich Fluctuations: Forecasted Cosmological Parameter Estimation for FAST and Planck

A Ibitoye, F Deng, Y Li, YZ Ma, Y Gong… - The Astrophysical …, 2025 - iopscience.iop.org
The 21 cm emission from neutral hydrogen surveys holds great potential as a valuable
method for exploring the large-scale structure (LSS) of the Universe. In this paper, we …