SPH modelling of AGB wind morphology in hierarchical triple systems and a comparison to observation of R Aql

Open Access

Fig. 1

Set-up of hierarchical triple with inner binary M₁ –M₂ orbiting around ${CoM}_{M_{1} + M_{2}}$ ${\rm{Co}}{{\rm{M}}_{{M_1} + {M_2}}}$ and outer companion M₃ orbiting around the system’s centre of mass ${CoM}_{M_{1} + M_{2} + M_{3}}$ ${\rm{Co}}{{\rm{M}}_{{M_1} + {M_2} + {M_3}}}$ . M₃ induces an orbital motion of ${CoM}_{M_{1} + M_{2}}$ ${\rm{Co}}{{\rm{M}}_{{M_1} + {M_2}}}$ , and thereby also of M₁ and M₂, around the system’s centre of mass.

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