Adhil
The name Adhil /əˈdɪl/ has been applied to a number of stars, especially in the constellation of Andromeda. It is the name approved by the International Astronomical Union for Xi Andromedae.[1]
Origin
[edit]Adhil was originally applied to the description of Ptolemy's 21st and 22nd of Andromeda in his star catalogue in Latin translated version of Almagest.
- Etymology
- Adhil is a lingua franca term from an Arabic phrase الذيل al-dhayl [að-ðáil] meaning "the train [of a garment]" (literally "the tail").
- Identification
- There are two kind of the identification of Ptolemy's 21st and 22nd of Andromeda.
| Ptolemy | P - K[2] | Manitius[3] |
|---|---|---|
| # 21 | 49A And | 46ξ And |
| # 22 | 52χ And | 48ω And |
Renaissance times
[edit]However Bayer gave Adhil for 60/b And in his prominent work Uranometria in 1603, and Bode followed Bayer in his great star atlas Uranographia in 1801.
Recent times
[edit]Adhil is applied to Xi Andromedae from Manitius' identification of Ptolemy's 21st of Andromeda.
See also
[edit]- Xi Andromedae (recent Adhil)
- 60 Andromedae (Bayer and Bode's Adhil)
- 49 Andromedae (one of adhil in the Almagest)
- Chi Andromedae (one of adhil in the Almagest)
- Syrma (Iota Virginis)
Notes
[edit]- ^ "Naming Stars". IAU.org. Retrieved 18 June 2018.
- ^ Peters, C. H. F. and Knobel, E., (1915) Ptolemy's Catalogue of Stars
- ^ Manitius, K., (1912) Handbuch der Astronomie