Shaula

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Shaula

Shaula, bright star in the constellation Scorpius; Bayer designation Lambda Scorpii; 1992 position R.A. 17h33.7m, Dec. −37°06′. A bluish-white star of spectral class B1 V, its apparent magnitude of 1.62 makes it one of the 25 brightest stars in the sky. Shaula is a spectroscopic binary star. Its distance from the earth is about 300 light-years. Its name is from the Arabic, meaning “raised part of the scorpion's tail.”
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Shaula

(shah -oo-lă, shaw -lă) See Scorpius.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

Shaula

[′shau̇·lə]
(astronomy)
A blue-white subgiant star of stellar magnitude 1.7, spectral classification B2-IV, in the constellation Scorpius; the star λ Scorpii.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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The brightest and widest star pairing--never considered a double because the stars are a full 35' apart--is 1.6-magnitude Lambda Scorpii (Shaula) and 2.7-magnitude Upsilon Scorpii (Lesath).
In the sting lies ([upsilon]) Upsilon Scorpii, with magnitude 2.7 at 518 light-years, and Shaula, or ([lambda]) Lambda Scorpii, magnitude 1.6 and 703 light-years distant.
This celestial counterpart to the earthbound creepy-crawly displays both a glowing red heart (1st-magnitude Antares) and a menacing white-hot stinger (1.6-magnitude Lambda Scorpii).
In February the UVIS team watched as Enceladus occulted 2nd-magnitude Shaula (Lambda Scorpii).