hip-47559

Hot blue star

Its story

Within the southern Vela the sail burns a blue B-type star 1875 light years away. Its light set out around the year 150, when Ptolemy was completing in Alexandria his Almagest, the astronomical catalogue that would dominate science for fourteen centuries. Young, massive and very hot, it pours forth an electric glow typical of stars that live fast and die soon.

Constellation: Vela
Apparent magnitude: 5.99
Distance: 1874.7 light years
Coordinates (J2000): RA 145.450° · Dec -55.214°
Catalogue: HIP 47559 · HD 84228

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Symbolic commemorative gift — no ownership, no IAU recognition.