activity
20132026
most citedNew Constraints on the free-streaming of warm dark matter from intermediate and small scale Lyman- forest data

540 citations · 956 across the 27 of their papers we have counts for

collaborators
Showing astro-ph.GAShow all

19 papers · 1 filter

astro-ph.GA2026

First-star imprints in a metal-poor galaxy overdensity near the end of reionization

Zihao Li, Koki Kakiichi, Lise Christensen +24

The first generation of stars, known as Population III (Pop III), formed from primordial gas consisting solely of hydrogen and helium and is believed to have emerged only a few hun…

astro-ph.GA2025

From the Intergalactic to the Interstellar Scales -- EQUALS: a High-resolution Legacy Survey of Gas in the Distant Universe Using ESPRESSO

Trystyn Berg, Valentina D'Odorico, Elisa Boera +14

Understanding how the Universe evolved from diffuse primordial gas into the rich cosmic web we observe today is one of the great challenges of modern astrophysics. Quasar absorptio…

astro-ph.GA2024

The CIViL* Survey: The Discovery of a C IV Dichotomy in the CGM of L* Galaxies

Samantha L. Garza, Jessica K. Werk, Trystyn A. M. Berg +4

This paper investigates C IV absorption in the circumgalactic medium (CGM) of L* galaxies and its relationship with galaxy star formation rates. We present new observations from th…

astro-ph.GA2024

GHOST Commissioning Science Results III: Characterizing an iron-poor damped Lyman system

Trystyn A. M. Berg, Christian R. Hayes, Stefano Cristiani +20

The Gemini High-resolution Optical SpecTrograph (GHOST) is a new echelle spectrograph available on the Gemini-South telescope as of Semester 2024A. We present the first high resolu…

astro-ph.GA2023★ 17 cited

Probing the early Milky Way with GHOST spectra of an extremely metal-poor star in the Galactic disk

Anya Dovgal, Kim A. Venn, Federico Sestito +31

Pristine_183.6849+04.8619 (P1836849) is an extremely metal-poor ([Fe/H]) star on a prograde orbit confined to the Galactic disk. Such stars are rare and may have their…

astro-ph.GA2023★ 1 cited

GHOST Commissioning Science Results II: a very metal-poor star witnessing the early Galactic assembly

Federico Sestito, Christian R. Hayes, Kim A. Venn +25

This study focuses on Pristine (hereafter P180956, ), a star selected from the Pristine Inner Galaxy Survey (PIGS), and followed-up…