Sahl and the Tājika Yogas: Indian transformations of Arabic astrology
This paper offers a positive identification of Sahl ibn Bishr’s Kitāb al-ʾaḥkām ʿalā ʾn-niṣba al-falakiyya as the Arabic source text for what is perhaps the most characteristic feature of the medieval Perso-Indian style of astrology known as tājika: the sixteen yogas or types of planetary configurations. The dependence of two late sixteenth-century tājika works in Sanskrit – Nīlakaṇṭha’s Tājikanīl