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astro-ph.HE2026
Shaping the diffuse X-ray sky: Structure, Variability and Visibility
Philipp Girichidis, Erika Rea, Ralf S. Klessen +5
The Local Bubble (LB) is a hot, low-density cavity in the solar neighborhood, inside which the Solar System is currently located. The X-ray emission from such bubbles is strongly g…
astro-ph.HE2025
The First High Frequency Technosignature Search Survey with the Sardinia Radio Telescope
Lorenzo Manunza, Alice Vendrame, Luca Pizzuto +30
The quest for radio signals from technologically-advanced extraterrestrial intelligence has traditionally concentrated on the vicinity of 1.4 GHz. In this paper, we extend the sear…