Draft:TMTS J0526+5934

TMTS J052610.43+593445.1 (shortened: "TMTS J0526+5934", "TMTS J0526+59") is a binary star system, composed of a white dwarf star (WD) being the "A" element and a B-type hot subdwarf star (sdB) being the "B" element. TMTS J0526+5934 B, the subdwarf, is the smallest known star by volume known of a living fusor, actively fusing star, and the star system has the small period current known, of 20 minutes; both as of 2024. The star system was discovered with the Tsinghua University–Ma Huateng Telescopes for Survey (TMTS)