GAS VI.197-8; only 1 work extant: Kitāb al-hay’a (Book on Cosmology), the first Andalusī treatise on astronomy. His work offers 2 chronological details: a quotation from Maslama al-Majrīṭī (d. 1007) and the statement in the title of the star table: “we found its longitude in the ecliptic in the year 300 of the Hijra” (912-3 CE). The only known manuscript is preserved in the Süleymaniye Library in Istanbul (Carullah Efendi 1279, fols. 315r-321v). The work is a compendium of all the Andalusī cosmological and astronomical knowledge of the time and draws upon a variety of traditions. [BEA, Comes]