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  2. Sagittarius (constellation) - Wikipedia

    en.wikipedia.org/wiki/Sagittarius_(constellation)

    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 ...

  3. Sigma Sagittarii - Wikipedia

    en.wikipedia.org/wiki/Sigma_Sagittarii

    Sigma Sagittarii has a spectrum matching a stellar classification of B2.5 V, [4] which indicates this is a B-type main-sequence star.Its total luminosity is 3300 [16] times that of the Sun while it has a surface temperature of 18,890 K. [9] X-ray emission has been detected from this star, which has an estimated X-ray luminosity of 1.2 × 10 28 erg s −1.

  4. Gamma2 Sagittarii - Wikipedia

    en.wikipedia.org/wiki/Gamma2_Sagittarii

    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 ...

  5. Alpha Sagittarii - Wikipedia

    en.wikipedia.org/wiki/Alpha_Sagittarii

    Alpha Sagittarii is a blue, class B dwarf star.It does not appear particularly bright in the sky to the naked eye, with a visual apparent magnitude of +3.97.. The star has an effective temperature about twice that of the Sun and is nearly three times as massive, with a luminosity in visible wavelengths about 117 times that of the Sun. Based on an excess emission of infrared radiation, it may ...

  6. List of stars in Sagittarius - Wikipedia

    en.wikipedia.org/wiki/List_of_stars_in_Sagittarius

    • 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 ]

  7. Star chart - Wikipedia

    en.wikipedia.org/wiki/Star_chart

    A celestial map by the Dutch cartographer Frederik de Wit, 1670. A star chart is a celestial map of the night sky with astronomical objects laid out on a grid system. They are used to identify and locate constellations, stars, nebulae, galaxies, and planets. [1]

  8. Zeta Sagittarii - Wikipedia

    en.wikipedia.org/wiki/Zeta_Sagittarii

    Zeta Sagittarii (ζ Sagittarii, abbreviated Zeta Sgr, ζ Sgr) is a triple star system and the third-brightest star in the constellation of Sagittarius after Kaus Australis and Nunki. Based upon parallax measurements, it is about 88 light-years (27 parsecs) from the Sun. [1]

  9. Mu Sagittarii - Wikipedia

    en.wikipedia.org/wiki/Mu_Sagittarii

    Mu Sagittarii (μ Sagittarii, abbreviated Mu Sgr, μ Sgr) is a multiple star system in the constellation of Sagittarius. The brightest component, a blue supergiant designated Mu Sagittarii Aa, is formally named Polis / ˈ p ɒ l ɪ s /. [13] The system is 5,000 light-years from the Sun and is part of the Sgr OB1 stellar association.

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