astrometrical การใช้

It is equipped with a 61 cm astrometrical and photometric reflector with a spectrograph.
The astronomical institute comprised two complementary departments, the astrophysical, led by Max Wolf, and the astrometrical led by Karl Wilhelm Valentiner.
Between 1959 and 1963 she worked in the'Time and Frequency Laboratory'of the All-Union Research Institute of Physico-Technical and Radiotechnical Measurements in Irkutsk, where she did astrometrical observations for the " Time Service ".
In 2000, a group of scientists proposed, based on preliminary data from the Hipparcos astrometrical satellite, that the planet would have an inclination of 175.8?and a true mass of 18 times Jupiter making it a brown dwarf instead of a planet.