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3 papers
Dynamical investigation of the multiple star ADS 9173 AB
O. V. Kiyaeva, I. S. Izmailov, N. V. Narizhnaya +1
Star ADS 9173=WDS 14135+5147=Hip 69483 is a complex system. The B component has a spectroscopic companion, whose orbit with a period of 4.9 years has been known since 1986. The Gai…
The orbits of visual binary and multiple stars obtained by the Apparent Motion Parameters method during the last 40 years
L. G. Romanenko, O. V. Kiyaeva, I. S. Izmailov +2
Summed many years of work at Pulkovo, the orbits of 67 wide pairs of visual double and multiple stars (included in 64 systems) which were obtained by the Apparent Motion Parameters…
Photometric observations of the mutual phenomena of the Galilean satellites at the Pulkovo observatory in 2014-2015
M. Yu. Khovritchev, I. S. Izmailov, E. A. Roshchina +2
We present the results of photometric observations of the mutual phenomena in the system of Galilean satellites obtained during 2014-2015. The observations were performed using the…