hip-77939

Hot blue star

Its story

47 Librae is a hot blue B-type star on the pans of the Scales, about 771 light-years away. Its light left around the 13th century, when Gothic cathedrals were rising across Europe. B-type stars shine with a crisp, almost steely light; in a constellation often dim like Libra, that cold tone is especially recognisable to anyone who knows how to read the colour of stars.

Constellation: Libra
Apparent magnitude: 5.95
Distance: 771.2 light years
Coordinates (J2000): RA 238.752° · Dec -19.383°
Catalogue: HIP 77939 · HD 142378

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Symbolic commemorative gift — no ownership, no IAU recognition.