3 papers
astro-ph.HE2026
What Are Pulsar Companions Made of? Using Gravitational Tides to Probe Their Compositions
Liam Colombo-Murphy, Lucas Brown, Stefano Profumo +2
Low eccentricity, short orbital period pulsar companions may provide a probe to study novel dense and stable exoplanet internal compositions due to the potentially significant orbi…
astro-ph.CO2026
A Constraint on Dark Matter Self-Interaction from Combined Strong Lensing and Stellar Kinematics in MACS J0138-2155
Jackson H. O'Donnell, Tesla E. Jeltema, M. Grant Roberts +3
Self-Interacting Dark Matter (SIDM) represents a compelling alternative to collisionless dark matter, with diverse phenomenological signals from dwarf galaxy to galaxy cluster scal…
astro-ph.CO2025
Spectroscopic and X-ray Modeling of the Strong Lensing Galaxy Cluster MACS J0138.0-2155
Abigail Flowers, Jackson H. O'Donnell, Tesla E. Jeltema +2
We model the total mass and galactic substructure in the strong lensing galaxy cluster MACS J0138.0-2155 using a combination of Chandra X-ray data, Multi-Unit Spectroscopic Explore…