Tabby's Star dimming prompts 'alien megastructure' talk
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Kepler data on star KIC 8462852 showed deep, irregular dips, and in October 2015 Penn State astronomer Jason Wright and colleagues called it a strong SETI target, sparking 'alien megastructure' headlines. A 2018 study led by Tabetha Boyajian found the dimming was most likely dust.
Sources
- PressDust, Not Aliens, Is Likely Cause of Star's Weird Dimming (opens in a new tab)
- OtherPlanet Hunters X. KIC 8462852 - Where's the Flux? (Boyajian et al.) (opens in a new tab)
- OtherThe G-hat Search for Extraterrestrial Civilizations with Large Energy Supplies. IV. The Signatures and Information Content of Transiting Megastructures (Wright et al.) (opens in a new tab)
- OtherThe First Post-Kepler Brightness Dips of KIC 8462852 (Boyajian et al. 2018) (opens in a new tab)