See also:grand-son of Timur, succeeded his
See also:father as
See also:prince of
See also:Samarkand in 1447, after having for years taken
See also:part in the
See also:government, and was murdered in 1449 by his eldest son . He erected an
See also:observatory at Samarkand, from which were issued tables of the
See also:moon and
See also:planets, with an interesting introduction, which throws much
See also:light on the trigonometry and astronomical methods then in use (Prolegomenes
See also:des tables astronemiques d'Ouloug Beg, ed. by Sedillot,
See also:Paris, 1847, and translated by the same, 1853) . The serious errors which he found in the Arabian
See also:star catalogues (which were simply copied from
See also:Ptolemy, adding the effect of precession to the longitudes) induced him to redetermine the positions of 992 fixed stars, to which he added 27 stars from Al S11fi's
See also:catalogue, which were too far south to be observed at Samarkand . This catalogue, the first
See also:original one since Ptolemy, was edited by Th . Hyde at
See also:Oxford in . 1665 (Tabulae longitudinis et latitudinis stellarum fixarum ex observatione Ulugbeighi), by G .
See also:Sharpe in 1767, and in 1843 by F .
See also:Baily in vol. xiii. of the
See also:Memoirs of the Royal Astronomical Society . See Delambre, Histoire de l'astronomie du moyen age; Poggendorff, Biographisch-litterarisches .
ULTRAMONTANISM (Lat. ultra, beyond, monies, the mou...
ULUNDI (Zulu for " high place" )
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