Sig

Hot blue star

Its story

Sigma Arietis is a blue-white star, three hundred times brighter than the Sun, young —only thirty-six million years old— and fast-spinning. It belongs to the Cas-Tau OB association, a scattered family of stellar sisters sharing a single slow orbit through the galaxy.

Constellation: Aries
Apparent magnitude: 5.52
Distance: 494.2 light years
Coordinates (J2000): RA 42.873° · Dec 15.082°
Catalogue: HIP 13327 · HD 17769

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Symbolic commemorative gift — no ownership, no IAU recognition.