background galaxies 1circumstellar dust 1dyson sphere candidates 1infrared excess 1m dwarfs 1technosignatures 1
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astro-ph.SR2026
Project Hephaistos -- III. Characterizing anomalous infrared sources identified as Dyson-sphere candidates
Andreas J. Korn, MatÃas Suazo, Erik Zackrisson +3
The paper investigates seven nearby M dwarfs with unusual infrared excesses that could indicate Dyson‑sphere‑like technosignatures, analyzing photometric and spectroscopic data and…
astro-ph.SR2026
Archival Diagnostics for Potential Background Contaminantsof Project Hephaistos Dyson Sphere Candidates
Tongtian Ren, Michael A. Garrett, Erik Zackrisson +4
We report on the diagnostic investigation of nine Project Hephaistos Dyson Sphere candidate M-dwarfs based on archival data. By comparing the Gaia DR3 positions with epoch 2016.0,…