In the tight binary system IGR J17014-4306, astronomers recorded an optical flare of a micronova — a localized thermonuclear explosion on a white dwarf. Over 1.56 days, it released 3.25×10³⁸ erg of energy, equivalent to burning a hydrogen column the mass of a small asteroid. This brought the rare cl
arXiv:2606.06305v1 · 2026-06-04