Sheliak - β Lyrae (beta Lyrae)
Sheliak, also designated as β Lyrae (beta Lyrae), is a variable and multiple bright giant star in the constellation of Lyra.
Sheliak visual magnitude is 3.45. Because of its moderate brightness, Sheliak should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.
The table below summarizes the key facts about Sheliak:
Celestial coordinates and finder chart of Sheliak
Sheliak is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Sheliak are provided in the following table:
The simplified sky map below shows the position of Sheliak in the sky:
Visibility of Sheliak from your location
Digitized Sky Survey image of Sheliak
The image below is a photograph of Sheliak 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 Sheliak is 0.003 arcsec per year in Right Ascension and -0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Distance of Sheliak from the Sun and relative movement
Sheliak is distant 881.08 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.
Spectral properties of Sheliak
Sheliak belongs to spectral class B8 and has a luminosity class of II corresponding to a bright giant star.
The red dot in the diagram below shows where Sheliak is situated in the Hertzsprung–Russell diagram.
Sheliak star system properties
Sheliak is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the Sheliak double sysyem: