François Félix Tisserand

Japanese: ティスラン（英語表記）François Félix Tisserand

1845‐96
French astronomer. Graduated from the École Normale Supérieure in Paris. He became director of the Toulouse Observatory in 1873, a professor at the University of Paris in 1878, a professor at the Sorbonne in 1883, and director of the Paris Observatory in 1892. He was active in the field of celestial mechanics, including theories of lunar motion, cometary motion, and the shapes of celestial bodies, and is famous for his Tisserand formula for identifying comets. In 1874, he came to Japan to observe the transit of Venus across the Sun. He served as editor-in-chief of the magazine Bulletin astronomique, which was first published in 1884, and has served since its inception.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

1845‐96
フランスの天文学者。パリのエコール･ノルマル･シュペリウールの出身。1873年トゥールーズ天文台長，78年パリ大学教授，83年ソルボンヌ大学教授，92年パリ天文台長を歴任した。月運動論，すい星の運動，天体の形状論など天体力学の分野で活躍し，すい星の同定に使われるティスランの判定式は有名である。1874年には金星の太陽面通過の観測に来日した。84年創刊の《Bulletin astronomique》誌の編集主幹を創刊以来つとめた。

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