OUR SKY NOW AND THEN: SEARCHES FOR LOST STARS AND IMPOSSIBLE EFFECTS AS PROBES OF ADVANCED EXTRATERRESTRIAL CIVILIZATIONS

Observers
Villarroel et. al. (VASCO)
Link
FULL PAPER
Reference
Villarroel et. al. 2016 AJ 152 3
Comments

A search for disappearing stars present in POSS plates but missing in SDSS and recent photometric surveys