Shaula - λ Scorpii (lambda Scorpii)
Shaula, also designated as λ Scorpii (lambda Scorpii), is a variable and multiple sub-giant star in the constellation of Scorpius.
Shaula visual magnitude is 1.63, making it the 24th brightest star in the sky. Thanks to its high brightness, Shaula is clearly visible when observed from locations with dark skyes, and should be also quite easily visible from light polluted areas.
The table below summarizes the key facts about Shaula:
Celestial coordinates and finder chart of Shaula
Shaula is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Shaula are provided in the following table:
The simplified sky map below shows the position of Shaula in the sky:
Visibility of Shaula from your location
Digitized Sky Survey image of Shaula
The image below is a photograph of Shaula from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of Shaula is -0.001 arcsec per year in Right Ascension and -0.029 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of Shaula from the Sun and relative movement
Shaula is distant 702.59 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.
Spectral properties of Shaula
Shaula belongs to spectral class B2 and has a luminosity class of IV corresponding to a sub-giant star.
The red dot in the diagram below shows where Shaula is situated in the Hertzsprung–Russell diagram.
Shaula star system properties
Shaula is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the Shaula double sysyem: