activity
20242026
most citedAn Unsupervised Machine Learning Approach to Identify Spectral Energy Distribution Outliers: Application to the S-PLUS DR4 data

4 citations · 6 across the 12 of their papers we have counts for

collaborators
Showing 2024Show all

5 papers · 1 filter

astro-ph.IM2024

GHOST Reduced Data Products for the Gemini Observatory Community and Beyond

Vinicius M. Placco, David Herrera, Brian M. Merino +13

The Gemini High-resolution Optical SpecTrograph (GHOST) at Gemini South started regular queue operations in early 2024, bringing a long-sought open-access capability to the astrono…

astro-ph.SR2024

BD+44 493: Chemo-Dynamical Analysis and Constraints on Companion Planetary Masses from WIYN/NEID Spectroscopy

Vinicius M. Placco, Arvind F. Gupta, Felipe Almeida-Fernandes +11

In this work, we present high-resolution (R~100,000), high signal-to-noise (S/N~800) spectroscopic observations for the well-known, bright, extremely metal-poor, carbon-enhanced st…

astro-ph.IM2024

Gemini High-resolution Optical SpecTrograph (GHOST) at Gemini-South: Instrument performance and integration, first science, and next steps

V. M. Kalari, R. J. Diaz, G. Robertson +57

The Gemini South telescope is now equipped with a new high-resolution spectrograph called GHOST (the Gemini High-resolution Optical SpecTrograph). This instrument provides high-eff…

astro-ph.EP2024

High-Resolution Dayside Spectroscopy of WASP-189b: Detection of Iron during the GHOST/Gemini South System Verification Run

Emily K. Deibert, Adam B. Langeveld, Mitchell E. Young +30

With high equilibrium temperatures and tidally locked rotation, ultra-hot Jupiters (UHJs) are unique laboratories within which to probe extreme atmospheric physics and chemistry. I…

astro-ph.IM2024

Modernizing IRAF to Support Gemini Data Reduction

Michael Fitzpatrick, Vinicius Placco, Adam Bolton +3

The US National Gemini Office (US NGO), part of the Community Science and Data Center (CSDC) at NSF's NOIRLab, has completed a project to upgrade the IRAF-based Gemini reduction so…