3 papers
astro-ph.IM2026
Large Scale Spectrophotometric Relative Flux Calibration for the Roman High Latitude Wide Area Survey
Alan B. H. Nguyen, Gregory Walth, Ashley J. Ross +4
We consider the application of a ubercalibration-like relative flux calibration to the grism observations of the Roman High Latitude Wide Area Survey (HLWAS). We propose a simplifi…
astro-ph.CO2024
Self-calibrating BAO measurements in the presence of Small Displacement Interlopers
Alan B. H. Nguyen, Elena Massara, Will J. Percival
Baryon Acoustic Oscillation (BAO) observations offer a robust method for measuring cosmological expansion. However, the BAO signal in a sample of galaxies can be diluted and shifte…
astro-ph.CO2024
LOO-PIT: A sensitive posterior test
Alan B. H. Nguyen, Marco Bonici, Glen McGee +1
With the advent of the next generation of astrophysics experiments, the volume of data available to researchers will be greater than ever. As these projects will significantly driv…