2 papers
gr-qc2025
Inferred Hubble Parameter from Gravitational Waves in a Perturbative Bianchi I Background
Kevin J. Ludwick, Peter L. Williams
It is straightforward to take the gravitational wave solution to first order in far from a binary source in a Minkowski background and adapt it to the Friedmann-Lemaitre-Robe…
astro-ph.IM2024
Centroiding Undersampled PSFs with a Lookup Table
Kevin J. Ludwick, Ashley Mazingo
We present a method of centroiding undersampled point spread functions (PSFs) that may be useful, especially when dithering is not an option. If the profile of the expected PSF is…