Qādī Zāda al-Rūmī
1364 – 1436
Who was Qādī Zāda al-Rūmī?
Together with Ulugh Beg, al-Kāshī and a few other astronomers Qāḍī Zāda produced the Zij-i-Sultani, the first comprehensive stellar catalogue since the Maragheh observatory's Zij-i Ilkhani two centuries earlier. The Zij-i Sultani contained the positions of 992 stars.
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