3 papers
astro-ph.SR2025
Rapid follow-up observations of infant supernovae with the Gran Telescopio Canarias
Lluís 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…
astro-ph.CO2024
Inverse Galaxy-Galaxy Lensing: Magnification, Intrinsic Alignments and Cosmology
Dane N. Cross, Carles Sánchez
Current and upcoming imaging galaxy surveys are pushing galaxy samples to higher and higher redshifts. This push will be more pronounced for lens galaxies, for which we only need t…
astro-ph.HE2023
Strong Carbon Features and a Red Early Color in the Underluminous Type Ia SN 2022xkq
Jeniveve Pearson, David J. Sand, Peter Lundqvist +85
We present optical, infrared, ultraviolet, and radio observations of SN 2022xkq, an underluminous fast-declining type Ia supernova (SN Ia) in NGC 1784 ( Mpc),…