Author

Ariel J. Amsellem

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Preprint Sep 2026

Normalizing Flow Emulator for Gravitational Wave Detection Probability in the LIGO/Virgo/KAGRA O4 Observing Run

Efficient and accurate estimation of the detection probability of a gravitational wave event given its source parameters remains a challenging problem because it conventionally requires expensive Monte Carlo injection campaigns. We present a machine learning-based approach using Normalizing Flows (NFs) to estimate the...

Julius Gassert, I. M. Hernandez, Ariel J. Amsellem et al. · 0 citations

Review Open access Aug 2026

Systematic uncertainties on DESI Tully-Fisher distances constrained with integral field spectroscopy

The Tully-Fisher (TF) relation is an empirical tool for estimating distances to spiral galaxies. Dark Energy Spectroscopic Instrument (DESI) Peculiar Velocity (PV) Survey uses photometric position angles (PAs) to place its fibers along the semi-major axis of the galaxy and infer maximum rotational velocities for ≈ 53,0...

Utsav Siwakoti, L. Galbany, K. Douglass et al. · Astronomy & Astrophysics · 0 citations