hip-115990

Variable star

Its story

Cassiopeia is recognised from childhood by its double-v shape, and among its points blinks this blue-white star — a beacon so hot that its brightness shifts irregularly with time. Its light travelled some 621 years to reach us, setting out as Europe was beginning to swap hand-copied manuscripts for the first printing presses. Far more massive and luminous than our Sun, it pulses to its own cadence, true to the restlessness that young, energetic B-type stars carry within them.

Constellation: Cassiopeia
Apparent magnitude: 4.89
Distance: 621.3 light years
Coordinates (J2000): RA 352.508° · Dec 58.549°
Catalogue: HIP 115990 · HD 221253

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