hip-72378

Hot blue star

Its story

57 Hydrae is a blue-white B-type star 448 light-years away, set within Hydra, the largest constellation in the sky: a water-serpent stretching across nearly a quarter of the celestial vault. B stars burn young and fall early, doomed by their own mass. Its light crossed space throughout the entire modern era and now reaches the present sky, fragile as an echo.

Constellation: Hydra
Apparent magnitude: 5.76
Distance: 447.5 light years
Coordinates (J2000): RA 221.990° · Dec -26.646°
Catalogue: HIP 72378 · HD 130274

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Symbolic commemorative gift — no ownership, no IAU recognition.