VISUAL ARCHIVE / IMAGE STORY
A Possible Star Left Behind
A close orbit suggests the other half of a binary’s history, but identifying the partner takes more evidence.

The captive star. A luminous young star sweeping around the dark silhouette of Sagittarius A*, surrounded by distorted starlight and glowing gas in a scientifically inspired cinematic reconstruction.
THE OBSERVATION
What we can actually see.
Tightly bound Galactic Center stars are consistent with binary capture scenarios. Associating a particular captured star with S5-HVS1 requires comparisons of mass, motion, age, and other properties; a dramatic illustration cannot establish that historical pairing.
THE ILLUSTRATION
What the artwork imagines.
The composition visualizes this idea: A close orbit suggests the other half of a binary’s history, but identifying the partner takes more evidence. The captive star. A luminous young star sweeping around the dark silhouette of Sagittarius A*, surrounded by distorted starlight and glowing gas in a scientifically inspired cinematic reconstruction.
FROM THE ILLUSTRATED ARTICLE
The story that inspired it.
The article follows S5-HVS1’s measured motion back toward the Galactic Center and introduces the Hills mechanism. It asks how one disrupted partnership could leave both a runaway star and a tightly bound companion without requiring either star to be swallowed. This frame focuses on a close orbit suggests the other half of a binary’s history, but identifying the partner takes more evidence.
Read The Black Hole That Tore Two Stars Apart and Sent One Into Eternal ExileCHECK THE RECORD
The image interprets the research below. Follow the original work for the measurements and limits behind the scene.
Research record: doi.org/10.1093/mnras/stz3081 Research record: doi.org/10.1038/331687a0 Research record: www.esa.int/Science_Exploration/Space_Science/Gaia/Gaia_spots_stars_flying_between_galaxies Research record: www.hq.eso.org/public/news/eso1825/ Research record: www.esa.int/Science_Exploration/Space_Science/Gaia/Five_fascinating_Gaia_revelations_about_the_Milky_WayOTHER IMAGE STORIES
Keep looking.
EXPLORE IN 3D / MAP G-01
Follow a star around Sagittarius A*
Follow an S2-inspired orbit and experiment with a released probe near Sagittarius A*. These teaching paths illustrate gravity; they do not reconstruct the original S5-HVS1 binary encounter.
Open Sagittarius A* map
One Encounter, Two Futures
The Galaxy That Never Stands Still
The Mark Shared by Titan and Pluto