The star’s sun is emitting a plume of highly energetic radiation over a huge area, about 5000 light years in diameter, which will eventually engulf the star.
This is the only time a star from our solar system has ever been captured by a vampire star. According to this paper,
“we found a previously unrecognized phenomenon where an exoplanet captured by a stellar companion might eventually be transformed into a star (the so-called vampire effect) by the gravitational attraction of the star and its surrounding system.”
The authors explain that when a planet is captured by a stellar system, it becomes like a vampire. It sucks the life out of its host star. The researchers calculated that a human on Earth could be sucked into this form with an altitude of 10 kilometers (6.5 miles) with only the gravitational pull of Mars. The authors estimate that Earth’s current density is roughly two kilograms per cubic meter, and that a vampire planet would be less dense. The authors find this discovery fascinating and say that they expect that similar effects could occur in the future.
Their paper is titled “ Vampirism of a Solar System Companion Planets “  . The paper is currently in the journals Planetary and Space Science.