VISUAL ARCHIVE / IMAGE STORY
A Pair of Disturbances, Imagined
Two luminous wave-like patterns picture the resemblance that made the optical record worth investigating.
Each recorded disturbance contained a rapid increase and decrease in brightness followed by a return toward normal starlight. The second pulse closely resembled the first despite occurring 4.4 seconds later. The accompanying artwork illustrates the phenomenon rather than reproducing the original scientific light curve.
THE OBSERVATION
What we can actually see.
The 2025 journal paper reports the HD 89389 pair and a comparison with an earlier record. A subsequent conference paper discusses three paired events in different stars and proposes synchronized telescopes. The 4.4-second separation belongs to the two observed disturbances in HD 89389’s light; it is not a measured gravitational-lensing delay.
THE ILLUSTRATION
What the artwork imagines.
The rings and branches are visual metaphors, not a measured light curve, resolved pair of lensed images or calculated propagation model. The artwork is not a direct astronomical observation.
FROM THE ILLUSTRATED ARTICLE
The story that inspired it.
The article follows an unusual optical record into competing explanations and a possible timing experiment. Each recorded disturbance contained a rapid increase and decrease in brightness followed by a return toward normal starlight. The second pulse closely resembled the first despite occurring 4.4 seconds later. The accompanying artwork illustrates the phenomenon rather than reproducing the original scientific light curve.
Read A Star Blinked Twice. Whatever Caused It May Be Much Closer to Earth.CHECK THE RECORD
The image interprets the research below. Follow the original work for the measurements and limits behind the scene.
Stanton (2025): Unexplained starlight pulses found in optical SETI searches — Acta Astronautica Stanton (2025): Telescope Arrays to Solve a Double Optical Pulse Mystery — SAS proceedings, pp. 79–84OTHER IMAGE STORIES
A Star’s Light, an Unseen Cause
Watching Between the Exposures
The Mark Shared by Titan and Pluto