2 papers
astro-ph.GA2025
Investigation of mass substructure in gravitational lens system SDP.81 with ALMA long-baseline observations
H. R. Stacey, D. M. Powell, S. Vegetti +2
The prevalence and properties of low-mass dark matter haloes serve as a crucial test for understanding the nature of dark matter, and may be constrained through the gravitational d…
astro-ph.GA2025
Detection of millimeter-wave coronal emission in a quasar at cosmological distance using microlensing
M. Rybak, D. Sluse, K. K. Gupta +5
Determining the nature of emission processes at the heart of quasars is critical for understanding environments of supermassive black holes. One of the key open questions is the or…