BLC1

BLC1 (Breakthrough Listen Candidate 1) was a candidate SETI radio signal detected and observed during April and May 2019, and first reported on 18 December 2020, spatially coincident with the direction of the Solar System's closest star, Proxima Centauri.^[1]^[2]^[3]

^ Drake, Nadia (2020-12-18). "Alien hunters detect mysterious radio signal from nearby star". National Geographic. Archived from the original on December 18, 2020. Retrieved 2020-12-19.
^ Whitwam, Ryan (2020-12-23). "Astronomers Spot Potentially Artificial Radio Signal From Nearby Star". ExtremeTech. Retrieved 2020-12-23.
^ Marchis, Franck (December 21, 2020). "Did Proxima Centauri Just Call to Say Hello? Not Really!". SETI Institute. Retrieved 2020-12-23.

[1] Drake, Nadia (2020-12-18). "Alien hunters detect mysterious radio signal from nearby star". National Geographic. Archived from the original on December 18, 2020. Retrieved 2020-12-19.

[ET-20201223-2] Whitwam, Ryan (2020-12-23). "Astronomers Spot Potentially Artificial Radio Signal From Nearby Star". ExtremeTech. Retrieved 2020-12-23.

[3] Marchis, Franck (December 21, 2020). "Did Proxima Centauri Just Call to Say Hello? Not Really!". SETI Institute. Retrieved 2020-12-23.

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