Astrophysics - High Energy Astrophysical Phenomena

The NANOGrav 15-Year Data Set: Search for Transverse Polarization Modes in the Gravitational-Wave Background

The NANOGrav 15 Yr Data Set: Search for Anisotropy in the Gravitational-wave Background

Strongly Lensed Supermassive Black Hole Binaries as Nanohertz Gravitational-wave Sources

The NANOGrav 15 Yr Data Set: Constraints on Supermassive Black Hole Binaries from the Gravitational-wave Background

The NANOGrav 15 Yr Data Set: Bayesian Limits on Gravitational Waves from Individual Supermassive Black Hole Binaries

The NANOGrav 12.5 Yr Data Set: Bayesian Limits on Gravitational Waves from Individual Supermassive Black Hole Binaries

The NANOGrav 15-Year Gravitational-Wave Background Analysis Pipeline

Massive Black Hole Binaries as LISA Precursors in the Roman High Latitude Time Domain Survey

UGC 4211: A Confirmed Dual Active Galactic Nucleus in the Local Universe at 230 Pc Nuclear Separation

Seeing the Gravitational Wave Universe