Protostellar Jets...
Multiplicity in HH111: decaying triple system (Reipurth et al, 1999, A&AL)
highest BF in sources of giant HH flows
HH activity related to binary orbit modulation?
IRC binaries (!), accompanied by visible TTS
TMR-1C: „ejected protoplanet“ (Terebey et al. 1998, Petr, Cuby, Sterzik, 2000)