collaborators

5 papers

astro-ph.GA2026

An Updated SynthPop Model for Microlensing Simulations I: Model Description & Evaluation

Macy J. Huston, Alison L. Crisp, Marz Newman +21

The optimization and interpretation of microlensing surveys depends on having an accurate model of the Milky Way. However, existing population synthesis Galactic modeling tools oft…

astro-ph.EP2025

Are We There Yet? Challenges in Quantifying the Frequency of Earth Analogs in the Habitable Zone

Rachel B. Fernandes, Samson Johnson, Galen J. Bergsten +43

Searching for life elsewhere in the universe is one of the most highly prioritized pursuits in astronomy today. However, the ability to observe evidence of Earth-like life through…

astro-ph.GA2025

A Near-Infrared Extinction and Reddening Map Towards the Galactic Bulge Using UKIRT

Aiden S. Zelakiewicz, Samson A. Johnson, B. Scott Gaudi +3

The Galactic bulge is one of the most information-dense regions to study resolved stellar populations, variables, and transients, such as microlensing events. Studies toward the Ga…

astro-ph.EP2025

Predictions of the Nancy Grace Roman Space Telescope Galactic Exoplanet Survey. III. Detectability of Giant Exomoons of Wide Separation Giant Planets

Matthew Lastovka, B. Scott Gaudi, Samson A. Johnson +3

The Nancy Grace Roman Space Telescope (Roman) will conduct a Galactic Exoplanet Survey (RGES) to discover bound and free-floating exoplanets using gravitational microlensing. Roman…

astro-ph.EP2025

Prospects for Reconstructing the Free-floating Planet Mass Function at the Population Level with the Nancy Grace Roman Space Telescope

William DeRocco, Matthew T. Penny, Samson A. Johnson +2

Free-floating planets comprise one of the most enigmatic populations of exoplanets in the Galaxy. Though ground-based observations point to a large abundance of these worlds, littl…