Sheliak (Beta Lyrae) (Apr 15, 2004)
Type:
Main sequence star (Class B7Ve) /
Main sequence star (Class A8p)
Brightness:
3.3 - 4.2 mag (var.) / 7.2 mag
Visual Distance (Separation):
45,7''
Distance:
900 ly
Colour:
creamy white / white-blue
Luminosity (Sun = 1):
2,000 x / -
Mass (Sun = 1):
-
Temperature:
13,000 degrees / 8,000 degrees approx.
Diameter:
-
Anmerkungen:
Sheliak is a triple star. The brighter one of the visible pair eclipses. Another companion covers it and, therefore, reduces its brightness, every 12.94 days.

Celestron Newton 200/1000, Nikon Coolpix 4500

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