3 papers
astro-ph.HE2026
The type Ia supernova 2023vjh: a peculiar 1991bg-like SN with unusually faint light curves
M. Kopsacheili, L. Galbany, G. Folatelli +32
We present observations of the 1991bg-like type Ia supernova (SN) 2023vjh, associated with the elliptical galaxy MCG+04-10-013. Its light-curve shape parameters ($Îm_{15}(B)=1.89…
astro-ph.CO2025
The ANDICAM-SOFI Near-infrared and Optical type Ia Supernova (ASNOS) sample: Description and data release
Kim Phan, LluÃs Galbany, Tomás E. Müller-Bravo +13
Type Ia supernovae (SNe Ia) provide the most robust means of measuring extragalactic distances. While most of the effort has focused on increasing the number of SNe Ia observed in…
astro-ph.SR2025
Rapid follow-up observations of infant supernovae with the Gran Telescopio Canarias
LluÃs Galbany, Claudia P. Gutiérrez, Lara Piscarreta +21
The first few hours of a supernova (SN) contain significant information about the progenitor system. The most modern wide-field surveys that scan the sky repeatedly every few days…