3 papers
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.IM2024
The Science Performance of the Gemini High Resolution Optical Spectrograph
Alan W. McConnachie, Christian R. Hayes, J. Gordon Robertson +46
The Gemini High Resolution Optical Spectrograph (GHOST) is a fiber-fed spectrograph system on the Gemini South telescope that provides simultaneous wavelength coverage from 348 - 1…