Naos or suhail hadar

Zeta Puppis

Naos or suhail hadar

Distance (Light Years) 1400 ± 300
Apparent Magnitude 2.21
Color (B-V)-0.26

Names For This Star

Naos means Ship. Allen credits the American astronomer Elijah Burritt introducing this name for the star in his 19th century Atlas.

The Arabic Suhail Hadar would be something like "The Bright Star of the Ground."

Description of the Star

Naos is a hot blue O5f star, about 20 times the sun in diameter and perhaps 20,000 times as luminous.

Other Designations For This Star


Hipparcos Identifier (HIP Number)


Harvard Revised (HR Number)


Henry Draper Catalog (HD Number)


Bonner Durchmusterung (BD Number)

CD-39 3939
Smithsonian Astrophysical
Observatory compendium (SAO Number)

Fundamental Katalog (FK5 Number)



Copyright © 1998 - 2010 by Arnold V. Lesikar,
Professor Emeritus
Dept. of Physics, Astronomy, and Engineering Science,
St. Cloud State University,St. Cloud, MN 56301-4498

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