Abū ʿAbd Allāh Muḥammad ibn Jābir ibn Sinān al-Raqqī al-Ḥarrānī al-Ṣābiʾ al-Battānī

GPTKB entity

Statements (23)
Predicate Object
gptkbp:instanceOf gptkb:mathematician
astronomer
gptkbp:alsoKnownAs gptkb:Al-Battani
gptkbp:birthDate c. 858
gptkbp:birthPlace gptkb:Harran
gptkbp:contribution discovered the variation of the apparent angular diameter of the Sun
improved measurements of the solar year
refined values for the obliquity of the ecliptic
used trigonometric methods in astronomy
gptkbp:deathDate 929
gptkbp:deathPlace Qasr al-Jiss, near Samarra, Iraq
gptkbp:field gptkb:astronomy
gptkb:mathematics
https://www.w3.org/2000/01/rdf-schema#label Abū ʿAbd Allāh Muḥammad ibn Jābir ibn Sinān al-Raqqī al-Ḥarrānī al-Ṣābiʾ al-Battānī
gptkbp:influenced gptkb:Copernicus
gptkbp:language gptkb:Arabic
gptkbp:legacy Albatani minor planet named after him
Albatenius lunar crater named after him
gptkbp:majorWork gptkb:Kitāb_az-Zīj
gptkbp:nationality gptkb:Abbasid_Caliphate
gptkbp:religion gptkb:Sabian
gptkbp:bfsParent gptkb:Al-Battani
gptkbp:bfsLayer 6