PasadenaA decade of warning signs was a companion.
The star may still explode — the countdown just measured the wrong thing.
A close companion’s gravity can strip a star’s outer layers, mimicking pre-supernova eruptions.
Researchers say the reclassification could apply to other “impostor” candidates.
How each outlet framed it
- Phys.org
- reveals previously undetected compact companion explains decade of false supernova precursor signals in luminous blue variable
Sources: Phys.org