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α Gruis (Latinised to Alpha Gruis) is the star's Bayer designation. (Its first depiction in a celestial atlas was in Johann Bayer's Uranometria of 1603. [14]) It bore the traditional name Alnair or Al Nair (sometimes Al Na'ir in lists of stars used by navigators), [15] from the Arabic al-nayyir "the bright one", itself derived from its Arabic name, al-nayyir min dhanab al-ḥūt (al-janūbiyy ...
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Marking the left wing is Alpha Gruis, [11] a blue-white star of spectral type B6V and apparent magnitude 1.7, around 101 light-years from Earth. [13] Its traditional name, Alnair, means "the bright one" and refers to its status as the brightest star in Grus (although the Arabians saw it as the brightest star in the Fish's tail, as Grus was then ...
Note that unlike familiar maps, east is shown to the left and west is shown to the right. With this orientation, the navigator can hold the star chart overhead, and the arrangement of the stars on the chart will resemble the stars in the sky. [1]
Alpha Ophiuchi: Binary star system 2.08 Beta Ursae Minoris: Star 2.10 [7] Gamma Andromedae: Quadruple star system 2.11 2.0 Beta Gruis: Star 2.12 Algol: Triple star system Maximum brightness 2.14 2.115 Denebola: Star 2.17 Gamma Centauri: Binary star system 2.21 2.14 Lambda Velorum: Star 2.23 Gamma Cygni: Star Suspected variable star 2.23 Alpha ...
Alnair (Alpha Gruis) and Tiaki (Beta Gruis) are bright stars in this constellation that were possibly never seen in the Chinese sky. The name of the western constellation in modern Chinese is 天鶴座 ( tiān hè zuò ), meaning "the heaven crane constellation".
Sigma 2 Gruis is a binary star [3] system in the southern constellation of Grus. Its apparent visual magnitude is 5.86. [ 2 ] The pair had an angular separation of 2.7 arc seconds along a position angle of 265°, as of 1991. [ 10 ]