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The constellation Sagittarius. North is to the left. The line going to the right connects ζ to α and β Sagittarii. Above this line one sees Corona Australis. α Sgr (Rukbat, meaning "the archer's knee" [6]) despite having the "alpha" designation, is not the brightest star of the constellation, having a magnitude of only 3.96. It is towards ...
luminous blue variable; member of the Quintuplet star cluster: LBV 1806-20: 18 h 08 m 40.3 s: −20° 24′ 41″ 28000: LBV: luminous blue variable; member of the 1806-20 cluster WR 102ea: 17 h 46 m 15.13 s: −28° 49′ 37.0″ 26000: WN9h: Wolf–Rayet star; member of the Quintuplet star cluster: S2: 17 h 45 m 40.04 s: −29° 00′ 28″ n ...
21 Sagittarii is a binary star [3] system in the southern zodiac constellation of Sagittarius. It is visible to the naked eye as a faint point of light with a combined apparent visual magnitude of 4.81. [2] The system is located approximately 410 light years away from the Sun based on parallax. [1]
The Bayer designation Chi Sagittarii (χ Sagittarii) is shared by three star systems in the zodiac constellation of Sagittarius. The brightest of these, χ 1 Sagittarii and χ 3 Sagittarii, are separated by 0.56° on the sky. The dimmer star χ 2 Sagittarii is located between them, 0.10° from χ 1, and is too faint
Psi Sagittarii, which is Latinized from ψ Sagittarii, is a triple star [8] system in the zodiac constellation of Sagittarius.The star system is located at a distance of 298 light years from the Earth based on parallax, but is drifting closer with a heliocentric radial velocity of −12 km/s. [4]
Gamma 2 Sagittarii (γ 2 Sagittarii, abbreviated Gamma 2 Sgr, γ 2 Sgr), formally named Alnasl / æ l ˈ n æ z əl /, [7] is a 3rd-magnitude star in the zodiac constellation of Sagittarius. The location of this star is in the handle of the Bow of Sagittarius the Centaur. It is approximately 32.6 parsecs (106 light-years) from the Sun and has ...
Messier 69 or M69, also known NGC 6637, and NGC 6634, [9] [10] is a globular cluster in the southern constellation of Sagittarius. [a] It can be found 2.5° to the northeast of the star Epsilon Sagittarii and is dimly visible in 50 mm aperture binoculars. The cluster was discovered by Charles Messier on August 31, 1780, the same night he ...
Messier 25, also known as IC 4725, is an open cluster of stars in the southern constellation of Sagittarius.The first recorded observation of this cluster was made by Philippe Loys de Chéseaux in 1745 and it was included in Charles Messier's list of nebulous objects in 1764. [6]