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Loading contentZeta Puppis
Naos is a blue supergiant in the constellation Puppis (Puppis), lying about 1,083.6 light-years from Earth.
Class O. Extremely hot, luminous blue stars. They are massive, short-lived, and rare, pouring out ultraviolet light. Such stars have surface temperatures around ≥ 30,000 K and appear blue to the eye.
| Spectral type | O5IAf |
| Luminosity class | I |
| Apparent magnitude | 2.21 |
| Absolute magnitude | -5.4 |
| Luminosity (Sun = 1) | 12,555 |
| Colour index (B−V) | -0.269 |
| Distance | 1,083.6 ly (332.23 pc) |
Values are real catalogue data; fields without a reliable value are omitted, never estimated.
A blue supergiant is among the most luminous stars known — enormous, hot, and massive. Many end their lives as supernovae.
Facts on this topic will be cited from these primary and reference sources.
Aggregated, openly-licensed star catalogue combining Hipparcos, the Yale Bright Star Catalogue, and the Gliese Catalogue of Nearby Stars.
High-precision parallax, magnitude, and position for ~118,000 stars.