VVV CL001: Likely the Most Metal-Poor Surviving Globular Cluster in the Inner Galaxy

no code implementations • 1 Feb 2021 • José G. Fernández-Trincado, Dante Minniti, Stefano O. Souza, Timothy C. Beers, Doug Geisler, Christian Moni Bidin, Sandro Villanova, Steven R. Majewski, Beatriz Barbuy, Angeles Pérez-Villegas, Lady Henao, María Romero-Colmenares, Alexandre Roman-Lopes, Richard R. Lane

We present the first high-resolution abundance analysis of the globular cluster VVV~CL001, which resides in a region dominated by high interstellar reddening towards the Galactic Bulge.

Astrophysics of Galaxies

Dynamically Tagged Groups of Very Metal-poor Halo Stars from the HK and Hamburg/ESO Surveys

no code implementations • 16 Nov 2020 • Guilherme Limberg, Silvia Rossi, Timothy C. Beers, Hélio D. Perottoni, Angeles Pérez-Villegas, Rafael M. Santucci, Yuri Abuchaim, Vinicius M. Placco, Young Sun Lee, Norbert Christlieb, John E. Norris, Michael S. Bessell, Sean G. Ryan, Ronald Wilhelm, Jaehyon Rhee, Anna Frebel

Additionally, a number of our newly identified DTGs are shown to be associated with at least two RPE stars each (DTG-2: 3, DTG-7: 2; DTG-27: 2).

Astrophysics of Galaxies Solar and Stellar Astrophysics