2 papers
astro-ph.SR2025
The OVz stars in NGC 346: distribution, stellar parameters and insights into low-metallicity effects
Leidy Arango, Julia Arias, Gonzalo Holgado +3
OVz stars are identified by their optical spectra, in which the He II 4686 absorption line is stronger than any other He line. This spectral characteristic suggests that these star…
astro-ph.HE2025
SN 2024ggi: another year, another striking Type II supernova
K. Ertini, T. A. Regna, L. Ferrari +19
SN 2024ggi is a Type II supernova that exploded in the nearby galaxy NGC 3621 at a distance of approximately 7 Mpc, making it one of the closest supernovae of the decade. This SN s…