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Showing 2025 · astro-ph.IMShow all
3 papers · 2 filters
astro-ph.IM2025
Design and Performance of the Upgraded Prototype Schwarzschild-Couder Telescope Camera Module
Giovanni Ambrosi, Carla Aramo, Mattia Barbanera +54
The Cherenkov Telescope Array Observatory (CTAO) is a ground-based observatory that will improve upon the sensitivities of the current generation of very-high-energy gamma-ray inst…
astro-ph.IM2025
On Validating Angular Power Spectral Models for the Stochastic Gravitational-Wave Background Without Distributional Assumptions
Xiangyu Zhang, Erik Floden, Hongru Zhao +4
It is demonstrated that estimators of the angular power spectrum commonly used for the stochastic gravitational-wave background (SGWB) lack a closed-form analytical expression for…
astro-ph.IM2025
Photonic Lightsails: Fast and Stable Propulsion for Interstellar Travel
Jadon Y. Lin, C. Martijn de Sterke, Ognjen Ilic +1
Lightsails are a highly promising spacecraft concept that has attracted interest in recent years due to its potential to travel at near-relativistic speeds. Such speeds, which curr…