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Atomic and molecular gas from the epoch of reionization down to redshift 2
Umberto Maio, Céline Péroux, Benedetta Ciardi
Cosmic gas makes up about 90% of baryonic matter in the Universe and H is the closest molecule to star formation. In this work we study cold neutral gas and its H component…
Cosmic metal density evolution in neutral gas: insights from observations and cosmological simulations
Robert M. Yates, Celine Peroux, Dylan Nelson
We contrast the latest observations of the cosmic metal density in neutral gas () with three cosmological galaxy evolution simulations: L-GALAXIES 2020, TNG100, an…
Observations of cold extragalactic gas clouds at towards PKS 1610-771
Simon Weng, Elaine M. Sadler, Caroline Foster +7
We present results from MUSE observations of a 21-cm HI absorption system detected with the Australian Square Kilometre Array Pathfinder radio telescope at redshift to…
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…
H_2 molecular gas absorption-selected systems trace CO molecular gas-rich galaxy overdensities
Anne Klitsch, Celine Peroux, Martin A. Zwaan +3
Absorption-selected galaxies offer an effective way to study low-mass galaxies at high redshift. However, the physical properties of the underlying galaxy population remains uncert…
Clumpiness of Observed and Simulated Cold Circumgalactic Gas
Ramona Augustin, Céline Péroux, Aleksandra Hamanowicz +3
Determining the clumpiness of matter around galaxies is pivotal to a full understanding of the spatially inhomogeneous, multi-phase gas in the circumgalactic medium (CGM). We combi…