No credible periodic artificial signals were detected in the first lunar farside SETI observations using Chang'E-4 low-frequency radio spectrometer data.
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5 Pith papers cite this work. Polarity classification is still indexing.
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First observational test of the hybrid ring technosignature strategy with GRB 221009A and TESS data identifies no credible signals but validates the method's feasibility for future searches.
A tiered observational strategy is outlined to identify planetary-scale broadband radio technosignatures (BRaTs) from advanced civilizations up to 100 pc away using multi-parameter diagnostics to separate them from natural signals.
Climate states on exoplanets with the same atmospheric composition create different reflectance spectra, changing the detectability of atmospheric features and biosignatures, with seasonal variations on high-obliquity worlds adding time-dependent signals.
Upper limits on the cosmic abundance of Kardashev Type III radio-broadcasting populations are set at less than one per 10^17 stars using radio source counts and commensal SETI field limits.
citing papers explorer
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First Lunar Farside SETI Observations for Periodic Signals with the Low-frequency Radio Spectrometer of Chang'E-4 Mission
No credible periodic artificial signals were detected in the first lunar farside SETI observations using Chang'E-4 low-frequency radio spectrometer data.
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A TESS Test of the Hybrid Ring Strategy for Technosignature Searches Using GRB 221009A
First observational test of the hybrid ring technosignature strategy with GRB 221009A and TESS data identifies no credible signals but validates the method's feasibility for future searches.
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Isolating Broadband Radio Technosignatures (BRaTs): A Framework for Detecting Planetary-Scale Leakage
A tiered observational strategy is outlined to identify planetary-scale broadband radio technosignatures (BRaTs) from advanced civilizations up to 100 pc away using multi-parameter diagnostics to separate them from natural signals.
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Impact of Climate States and Seasons on Future Exo-Earth Observations
Climate states on exoplanets with the same atmospheric composition create different reflectance spectra, changing the detectability of atmospheric features and biosignatures, with seasonal variations on high-obliquity worlds adding time-dependent signals.
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Artificial Broadcasts as Galactic Populations: III. Constraints on Radio Broadcasts from the Cosmic Population of Inhabited Galaxies
Upper limits on the cosmic abundance of Kardashev Type III radio-broadcasting populations are set at less than one per 10^17 stars using radio source counts and commensal SETI field limits.