Libra

Libra Librae Lib 538 sq °

The constellation in depth

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Data

IAU abbreviation
Lib
Genitive
Librae
Area
538.1 sq °
Catalogue stars
86
Of those, named
4
Introduced by
Ptolemy, the Almagest, 2nd century
Brightest star
Zubeneschamali · 2.61ᵐ

Stars of the constellation

Stars of the constellation Apparent magnitude Distance Spectral class
Zubeneschamali 2.61 160 light years B8V
Zubenelgenubi 2.75 77 light years A3IV
Brachium 3.29 292 light years M3-III
Zubenelhakrabi 3.91 152 light years G8.5III

History and myth

The Scales are the only zodiac constellation depicting an object rather than a living thing. They were originally the claws of the Scorpion, which is still audible in the star names: Zubenelgenubi and Zubeneschamali, "the southern claw" and "the northern claw".