Adhil
Encyclopedia
The name Adhil has been applied to a number of stars, especially in the constellation Andromeda
.
's 21st and 22nd of Andromeda in his star catalogue
in Latin translated version of Almagest
.
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.
from Manitius' identification of Ptolemy's 21st of Andromeda.
Andromeda (constellation)
Andromeda is a constellation in the northern sky. It is named after Andromeda, the princess in the Greek legend of Perseus who was chained to a rock to be eaten by the sea monster Cetus...
.
Origin
Adhil was originally applied to the description of PtolemyPtolemy
Claudius Ptolemy , was a Roman citizen of Egypt who wrote in Greek. He was a mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology. He lived in Egypt under Roman rule, and is believed to have been born in the town of Ptolemais Hermiou in the...
's 21st and 22nd of Andromeda in his star catalogue
Star catalogue
A star catalogue, or star catalog, is an astronomical catalogue that lists stars. In astronomy, many stars are referred to simply by catalogue numbers. There are a great many different star catalogues which have been produced for different purposes over the years, and this article covers only some...
in Latin translated version of Almagest
Almagest
The Almagest is a 2nd-century mathematical and astronomical treatise on the apparent motions of the stars and planetary paths. Written in Greek by Claudius Ptolemy, a Roman era scholar of Egypt,...
.
- Etymology
- Adhil is a lingua francaLingua francaA lingua franca is a language systematically used to make communication possible between people not sharing a mother tongue, in particular when it is a third language, distinct from both mother tongues.-Characteristics:"Lingua franca" is a functionally defined term, independent of the linguistic...
term from an ArabicArabic languageArabic is a name applied to the descendants of the Classical Arabic language of the 6th century AD, used most prominently in the Quran, the Islamic Holy Book...
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 Almagest The Almagest is a 2nd-century mathematical and astronomical treatise on the apparent motions of the stars and planetary paths. Written in Greek by Claudius Ptolemy, a Roman era scholar of Egypt,... | P - K | Manitius |
|---|---|---|
| |
49A And 49 Andromedae 49 Andromedae is a star in the constellation Andromeda. Its apparent magnitude is 5.27.... |
46ξ And |
| |
52χ And Chi Andromedae Chi Andromedae is a star in the constellation Andromeda. It with φ And composed Chinese asterism 軍南門 , "the South Gate of the Camp".... |
48ω And Omega Andromedae Omega Andromedae is a star in the constellation Andromeda. It is approximately 92.3 light years from Earth. This is a yellow-white F-type subgiant with an apparent magnitude of +4.83.-References:* *... |
- Notes
Renaissance times
However BayerJohann Bayer
Johann Bayer was a German lawyer and uranographer . He was born in Rain, Bavaria, in 1572. He began his study of philosophy in Ingolstadt in 1592, and moved later to Augsburg to begin work as a lawyer. He grew interested in astronomy during his time in Augsburg...
gave Adhil for 60/b And
60 Andromedae
60 Andromedae is a yellow-orange giant star in the constellation Andromeda. Its apparent magnitude is 4.844.-References:#...
in his prominent work Uranometria
Uranometria
Uranometria is the short title of a star atlas produced by Johann Bayer.It was published in Augsburg, Germany, in 1603 by Christophorus Mangus under the full title Uranometria : omnium asterismorum continens schemata, nova methodo delineata, aereis laminis expressa. This translates to...
in 1603, and Bode
Johann Elert Bode
Johann Elert Bode was a German astronomer known for his reformulation and popularization of the Titius-Bode law. Bode determined the orbit of Uranus and suggested the planet's name.-Biography:...
followed Bayer in his great star atlas Uranographia in 1801.
Recent times
Adhil is applied to Xi AndromedaeXi Andromedae
Xi Andromedae is a binary star in the constellation Andromeda. It bears the traditional name Adhil, which is derived from the Arabic الذيل að-ðayl "the train"...
from Manitius' identification of Ptolemy's 21st of Andromeda.
See also
- Xi AndromedaeXi AndromedaeXi Andromedae is a binary star in the constellation Andromeda. It bears the traditional name Adhil, which is derived from the Arabic الذيل að-ðayl "the train"...
(recent Adhil) - 60 Andromedae60 Andromedae60 Andromedae is a yellow-orange giant star in the constellation Andromeda. Its apparent magnitude is 4.844.-References:#...
(Bayer and Bode's Adhil) - 49 Andromedae49 Andromedae49 Andromedae is a star in the constellation Andromeda. Its apparent magnitude is 5.27....
(one of adhil in the Almagest) - Chi AndromedaeChi AndromedaeChi Andromedae is a star in the constellation Andromeda. It with φ And composed Chinese asterism 軍南門 , "the South Gate of the Camp"....
(one of adhil in the Almagest) - Syrma (Iota VirginisIota VirginisIota Virginis is a star in the constellation Virgo. It has the traditional name Syrma.Syrma is a yellow star of apparent magnitude 4.08 and spectral class F6 III about 70 light years from Earth.-Namesakes:...
)