Naos

Zet

Variable star

Its story

Naos burns in Puppis, the stern of the ancient ship Argo that once sailed the southern skies. It is one of the few O-class stars visible to the naked eye: a blue supergiant whose surface, tens of thousands of degrees hot, drives a fierce stellar wind. Its faintly variable light travels 1083 light years to reach us; it set out when Europe had not yet seen the printing press.

Constellation: Puppis
Apparent magnitude: 2.21
Distance: 1083.7 light years
Coordinates (J2000): RA 120.896° · Dec -40.003°
Catalogue: HIP 39429 · HD 66811

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