hip-83535

Hot blue star

Its story

Above the southern altar of Ara, this hot blue B-type star glows about 570 light-years away. Its light departed around 1455, when Gutenberg was printing the 42-line Bible and Constantinople had just fallen into Ottoman hands. Far hotter than the Sun, its bluish brilliance betrays a swift and intense stellar life. We contemplate it as a luminous echo from the dawn of printing and the close of the Middle Ages.

Constellation: Ara
Apparent magnitude: 5.73
Distance: 569.3 light years
Coordinates (J2000): RA 256.103° · Dec -57.712°
Catalogue: HIP 83535 · HD 153716

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Symbolic commemorative gift — no ownership, no IAU recognition.