activity
20152024
most citedThe VLT-FLAMES Tarantula Survey XIX. B-type Supergiants - Atmospheric parameters and nitrogen abundances to investigate the role of binarity and the width of the main sequence

87 citations · 203 across the 11 of their papers we have counts for

collaborators

13 papers

astro-ph.IM2024

Roadmap of GHOST@Gemini's Precision Radial Velocity Mode

Venu M. Kalari, Andreas Seifahrt, Ruben Diaz

GHOST is a newly operational optical fiber-fed high-resolution spectrograph at the Gemini South 8.1m telescope. It currently offers the choice of two resolution modes captured by o…

astro-ph.GA2024

Ionized and cold gas components in low surface brightness galaxy AGC 102004

Tian-Wen Cao, Zi-Jian Li, Pei-Bin Chen +7

We present the integral field spectroscopic observations of ionized gas (H and [{\ion{N}{II}}]) using the PCWI, along with deep CO(2-1) observations by the $^\backprime\bar{\rm…

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…

astro-ph.SR2023

SPLUS J142445.34-254247.1: An R-Process Enhanced, Actinide-Boost, Extremely Metal-Poor star observed with GHOST

Vinicius M. Placco, Felipe Almeida-Fernandes, Erika M. Holmbeck +33

We report on the chemo-dynamical analysis of SPLUS J142445.34-254247.1, an extremely metal-poor halo star enhanced in elements formed by the rapid neutron-capture process. This sta…

astro-ph.GA20233 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…