I had this rough question (i.e., while entertaining causes as elaborate as a Dyson sphere, considering that a star might intentionally be used to send a low-inf

I had this rough question (i.e., while entertaining causes as elaborate as a Dyson sphere, considering that a star might intentionally be used to send a low-information rotating signal like a lighthouse or signal/Morse lamp out along a plane) after the news about Tabby's star broke. I.e., I emailed it to Tabetha (no response; didn't expect one).