3 papers
astro-ph.GA2025
The ionization structure and chemical history in isolated H II regions of dwarf galaxies with IFU I. The Sagittarius Dwarf Irregular Galaxy
A. Andrade, I. Saviane, L. Monaco +1
Studying metal-poor galaxies is crucial for understanding the physical mechanisms driving the evolution of galaxies. Most observational works in dwarf galaxies employ integral fiel…
astro-ph.CO2024
J1721+8842: The first Einstein zig-zag lens
F. Dux, M. Millon, C. Lemon +16
We report the discovery of the first example of an Einstein zig-zag lens, an extremely rare lensing configuration. In this system, J1721+8842, six images of the same background qua…
astro-ph.SR2024
Chemical Abundances for a Sample of FGK dwarfs in the Pleiades Open Cluster from APOGEE
Vinicius Grilo, Diogo Souto, Katia Cunha +8
This paper presents chemical abundances of twelve elements (C, Na, Mg, Al, Si, K, Ca, Ti, V, Cr, Mn, and Fe) for 80 FGK dwarfs in the Pleiades open cluster, which span a temperatur…