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.