Second-order and high-multipole secular effects change predicted orbital flips, eccentricities, and semimajor axes in hierarchical triple systems, often matching N-body simulations better than previous first-order models.
The first system consists of an inner binary with m1 = M⊙, m2 = 10M⊙, a = 1 a.u
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Higher-order effects in the dynamics of hierarchical triple systems. III. Astrophysical implications of second-order and dotriacontapole terms
Second-order and high-multipole secular effects change predicted orbital flips, eccentricities, and semimajor axes in hierarchical triple systems, often matching N-body simulations better than previous first-order models.