⭐ Naos (star)
Naos (zeta Pup) is a O5Ia star at 1,080.0 light-years, magnitude 2.21, in the Stern constellation.
J2000 coordinates
| Hipparcos number: | HIP 39953 |
| Bayer designation: | zeta Pup |
| Constellation: | Stern (Pup) |
| Right Ascension (RA): | 120.895953° (08:03:35) |
| Declination (Dec): | -40.000316° |
| Visual magnitude: | 2.21 |
| Spectral type: | O5Ia |
| Distance: | 1,080.0 light-years |
Visible now?
In Sao Paulo (2026-04-29 05:45): altitude -26.4°, azimuth 179.0°. Below the horizon or very close to it now.
In Rio de Janeiro: altitude -26.9°, azimuth 176.0°.