Tag: binary stars

Direct N-body simulations show that higher initial binary fractions in open clusters lead to larger velocity dispersions, more compact cores, ...

A new theoretical study shows that fourth-order oblateness shifts the out-of-plane equilibrium points of the photogravitational elliptic restricted three-body problem ...

A young star in the Cepheus star-forming regions shows evidence of an unseen hot sdB companion, identified through combined astrometric, ...

A new two-dimensional dynamical model shows that the rotation speed and magnetic field strength of filamentary molecular clouds determine whether ...

A new technique using beryllium abundance differences between twin stars has identified a Sun-like star that swallowed rocky material equivalent ...

Astronomers have directly observed a brown dwarf stably transferring mass onto an M dwarf in an 87-minute binary, showing that ...

A major review surveys the physical models and three-dimensional hydrodynamic simulation techniques used to unravel common-envelope evolution, the violent stellar ...