An old nearby quadruple system Gliese 225.2 to coplanarity. The
orbit of AB,CE is rather wide and does not allow to
determine its curvature reliably. Thus
MT Ser, a binary blue subdwarfWe have classified and
determined the parameters of the evolved close binary MT Ser. Our moderate
On the interpretation of the optical spectra of iron-group ions that takes into account real electrostatic, spin-
orbit, and spin-spin interactions, as well as electrostatic
Ligand hyperfine Yb3+ interaction in CsCaF3 and Cs2NaYF6 crystalsThe operator, which
determines the contribution of processes including the polarization of central
59Co NMR evidence for charge and orbital order in the kagome-like structure of Na 2/3CoO 2 with an
orbital ordering along the kagome sublattice organization. These detailed data should now permit realistic
Criteria for the stability of triple systems and their application to observations of multiple stars as functions of the
orbital parameters are estimated. It is not possible to
determine a unique solution
Low-energy trajectories to the earth-moon libration points and to halo-orbits to the libration points of the Earth-Moon system and to the halo
orbits. An approach for solving the problem