Abū al-Fath Abd al-Rahman Mansūr al-Khāzini or simply al-Khāzini (أبوالفتح عبدالرحمن منصور الخازنی(Persian), flourished 1115–1130) was an Iranian[1][2]astronomer, during the Seljuk Empire.[3] His astronomical tables written under the patronage of Sultan Sanjar (Zīj al-Sanjarī, 1115) is considered to be one of the major works in mathematical astronomy of the medieval period.[4]: 107 He provided the positions of fixed stars, and for oblique ascensions and time-equations for the latitude of Marv in which he was based.[5]: 197 He also wrote extensively on various calendrical systems and on the various manipulations of the calendars.[4] He was the author of an encyclopedia on scales and water-balances.[6]
^ abMontelle, C. (2011). The ‘Well-Known Calendars’: Al-Khāzinī’s Description of Significant Chronological Systems for Medieval Mathematical Astronomy in Arabic. In Steele J. (Ed.), Calendars and Years II: Astronomy and Time in the Ancient and Medieval World (pp. 107-126). Oxford; Oakville: Oxbow Books.
^Meyerhof, M. (1948). 'Alī al-Bayhaqī's Tatimmat Siwān al-Hikma: A Biographical Work on Learned Men of the Islam. Osiris, 8, 122-217.
^Al-Khāzinī, Abu'l-Fath 'Abd Al-Raḥmān [Sometimes Abū Manṣūr ' Abd Al-Raḥmān or 'Abd Al-Rahmān Manṣūr]., Complete Dictionary of Scientific Biography., 2008, pp. 335–351