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β Aquarii is the brightest star in Aquarius with an apparent magnitude of 2.87 [2] and a stellar classification of G0 Ib. [3] Since 1943, the spectrum of this star has served as one of the stable anchor points by which other stars are classified. [ 22 ]
• Notes = Common name(s) or alternate name(s); comments; notable properties [for example: multiple star status, range of variability if it is a variable star, exoplanets, etc.] See also [ edit ]
The two are also moving through space perpendicular to the plane of the Milky Way. [12] β Aquarii is the brightest star in Aquarius with apparent magnitude 2.91 — only slightly brighter than α Aquarii. It also has the proper name of Sadalsuud.
The apparent visual magnitude of 2.94 [2] makes this the second-brightest star in Aquarius. Based upon parallax measurements made by the Gaia spacecraft, it is located at a distance of roughly 690 light-years (210 parsecs) from the Sun. [5] It is drifting further away from the Sun with a radial velocity of 7.5 km/s. [4]
Jocelyn Tomkin used this data to compile a list of brightest star in Earth's night sky at each period within the last or next 5 million years. [1] Re-analysis of the Hipparcos data and new data from the Gaia spacecraft reveal omissions and revisions necessary in the list.
The Sun is the brightest star as viewed from Earth, at −26.78 mag. The second brightest is Sirius at −1.46 mag. For comparison, the brightest non-stellar objects in the Solar System have maximum brightnesses of: the Moon −12.7 mag [1] Venus −4.92 mag; Jupiter −2.94 mag; Mars −2.94 mag; Mercury −2.48 mag; Saturn −0.55 mag [2]
Gamma Aquarii, or γ Aquarii, is a binary star system [6] in the constellation of Aquarius.It has an apparent visual magnitude of 3.849, [2] making it one of the brighter members of the constellation.
Delta Aquarii (δ Aquarii, abbreviated Delta Aqr, δ Aqr), officially named Skat / ˈ s k æ t /, [16] is the third-brightest star in the constellation of Aquarius.The apparent visual magnitude is 3.3, [17] which can be seen with the naked eye.