A brown dwarf orbiting around the planetary-nebula central binary KV Vel

S. -B. Qian, L. -Y. Zhu, F. -X. Li +9

KV Vel is a non-eclipsing short-period (P = 0.3571 days) close binary containing a very hot subdwarf primary (77000 K) and a cool low-mass secondary star (3400 K) that is located a…