3 papers
gr-qc2026
The G347.3-0.5 outlier from O3: a follow-up case study for continuous gravitational-wave candidates
L. Mirasola, F. Amicucci, M. Carrio +31
We report a multi-pipeline follow-up study of the continuous gravitational-wave (CW) outlier identified by the Ming et al. Einstein@Home directed search for the young supernova rem…
gr-qc2026
Mode decomposition methods for the analysis of black hole ringdown signals
Andrzej Krolak, Massimo Tinto
The ringdown phase of a binary black hole merger encodes fundamental information about the remnant through its quasinormal mode (QNM) spectrum. Extracting multiple modes from gravi…
astro-ph.IM2026
Advanced Virgo Plus for O5 -- Design Report Overview
F. Acernese, A. Agapito, D. Agarwal +578
This document presents an overview of the design, implementation, and expected performance of the Advanced Virgo Plus (AdV+) upgrades in view of the O5 observing run. Following the…