VW LMi: tightest quadruple system known. Light-time effect and possible secular changes of orbits

T. Pribulla, D. Baludansky, P. Dubovsky +4

Tightest known quadruple systems VW LMi consists of contact eclipsing binary with P_12 = 0.477551 days and detached binary with P_34 = 7.93063 days revolving in rather tight, 355.0…