Review
Aug 2026
A New Probe of Dark Matter Subhalos: Stellar Aberration with TESS
Small-scale dark matter (DM) structure encodes key information about the particle nature of DM and therefore provides a sensitive test of competing models. Yet, it remains hidden from electromagnetic surveys and is instead inferred through its gravitational effects. Stellar aberration, the apparent shift in a light sou...
Matthias Daniel, Xiao Xue, Kris Pardo et al.
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