activity
20232025
most citedThe BlackGEM telescope array I: Overview

33 citations · 54 across the 12 of their papers we have counts for

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5 papers · 1 filter

astro-ph.GA2025

GHOST commissioning science results -- IV: Chemodynamical analyses of Milky Way satellites Sagittarius II and Aquarius II

Daria Zaremba, Kim Venn, Christian R. Hayes +28

We present Gemini/GHOST high-resolution spectra of five stars observed in two low surface brightness Milky Way satellites, Sagittarius II (Sgr2) and Aquarius II (Aqu2). For Aqu2, t…

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…

astro-ph.GA2023★ 3 cited

GHOST Commissioning Science Results: Identifying a new chemically peculiar star in Reticulum II

Christian R. Hayes, Kim A. Venn, Fletcher Waller +79

The Gemini High-resolution Optical SpecTrograph (GHOST) is the newest high resolution spectrograph to be developed for a large aperture telescope, recently deployed and commissione…