Bárbara Cabrales
September 7, 2023
Zoom recording
Abstract:
The SETI Ellipsoid is a strategy for technosignature candidate selection which assumes that extraterrestrial civilizations have observed a common, galactic-scale event and may use it as a Schelling point to broadcast synchronized signals indicating their presence. The idea of synchronizing technosignature searches with astronomical events has been present in the literature since the 70s, but our distance estimates to stars have historically been too imprecise for this technique. New distances from Gaia make finding targets on a SETI Ellipsoid possible and have allowed for the method to be used on different astronomical events, collaboratively with other surveys, in real-time and archivally, all in the past couple of years. We present an overview of recent developments within the SETI field related to the Ellipsoid method.