2 papers
astro-ph.GA2026
SDSS-V LVM: Revealing the Physical and Chemical Structure of the Helix Nebula
R. Orozco-Duarte, J. E. Méndez-Delgado, J. A. Toalá +27
We present the first spatially contiguous study of the physical and chemical structure of the Helix Nebula (NGC~7293, PNG 036.1-57.1) based on integral-field spectroscopy from the…
astro-ph.HE2025
The Relationship Between Emission Line and Continuum Luminosity and the Baldwin Effect in Blazars. I. The Case of the Mg II λ2798 à Emission Line
VÃctor M. Patiño-Ãlvarez, Jonhatan U. Guerrero-González, Vahram Chavushyan +3
Aims. This study investigates the relationship between the Mg II λ2798 à emission line and the 3000 à continuum luminosity, as well as the Baldwin Effect, in a sample of 40,685 ra…