3 papers
astro-ph.GA2025
findAbar: how astronomers may perceive the bar in galaxies differently
Elizabeth J. Iles, Joss Bland-Hawthorn, Courtney Crawford +18
Bars are ubiquitous morphological features in the observed distribution of galaxies. There are similarly many methods for classifying these features and, without a strict theoretic…
astro-ph.CO2025
A Fast and Accurate Implementation of the Effective Fluid Approximation for Ultralight Axions
Adam Moss, Lauren Gaughan, Anne M. Green
We present a numerically efficient and accurate implementation of the Passaglia-Hu effective fluid approximation for ultralight axions (ULAs) within the Boltzmann code CAMB. This m…
astro-ph.GA2025
Primordial Black Hole stellar microlensing constraints: understanding their dependence on the density and velocity distributions
Anne M. Green
Microlensing surveys of stars in the Large Magellanic Cloud constrain the fraction of the Milky Way halo in Primordial Black Holes (PBHs) with mass $10^{-9} \lesssim M/M_{\odot} \l…