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- Zeta_Puppis abstract "Zeta Puppis (Zeta Pup, ζ Puppis, ζ Pup) is a star in the constellation of Puppis. It is also known by the traditional names Naos (/ˈneɪ.ɒs/, from the Greek ναύς "ship") and Suhail Hadar (سهيل هدار, possibly "roaring bright one") in Arabic.Its spectral class is O4If, making it an exceptionally hot star, and it is one of the sky's few naked-eye class O-type stars as well as the closest to Earth. It had been assumed to be part of the Vela complex near the Gum nebula over 400 parsecs from Earth, but the 2008 reduction of Hipparcos data gave a distance of 335 parsecs (1,093 ly) ± 4%. Its surface temperature is 42,000 K . The current mass is calculated at 22.5 solar masses and the radius at 14 times the solar radius but these values are highly uncertain. Older derivations assumed the larger distance and were correspondingly larger, but some new calculations still give values up to twice these.Zeta Puppis is an extreme blue supergiant, one of the most luminous stars in the Milky Way. Visually, it is 12,500 times more powerful than the Sun, but being an extreme blue star, most of its radiation is in the ultraviolet and hence its bolometric luminosity is over 500,000 times that of the sun. It is also the 62nd brightest star in terms of apparent magnitude from EarthZeta Puppis, being typical of O-type stars, is also notable for its extremely strong stellar wind, and it has garnered increasing attention for this over the past decade. Its stellar wind velocity has been estimated at 2,500 km/s, which sees the star shed more than a millionth of its mass each year, or about 10 million times that shed by our own Sun over a comparable time period. This mass ejection is highly evident in non-visible wavelengths such as radio and X-ray.".
- Zeta_Puppis thumbnail Zeta_Puppis.png?width=300.
- Zeta_Puppis wikiPageID "393539".
- Zeta_Puppis wikiPageRevisionID "602429579".
- Zeta_Puppis absmagV "-5.5".
- Zeta_Puppis ageMyr "2".
- Zeta_Puppis appmagV "2.21".
- Zeta_Puppis bV "−0.27".
- Zeta_Puppis class "O4Ifp".
- Zeta_Puppis constell Puppis.
- Zeta_Puppis epoch "J2000".
- Zeta_Puppis gravity "3.5".
- Zeta_Puppis hasPhotoCollection Zeta_Puppis.
- Zeta_Puppis luminosityBolometric "550000".
- Zeta_Puppis mass "22.5".
- Zeta_Puppis metalFe "0.34".
- Zeta_Puppis pError "0.1".
- Zeta_Puppis parallax "3".
- Zeta_Puppis propMoDec "16.77".
- Zeta_Puppis propMoRa "−30.82".
- Zeta_Puppis radius "14".
- Zeta_Puppis rotationalVelocity ">220".
- Zeta_Puppis temperature "42000".
- Zeta_Puppis uB "−1".
- Zeta_Puppis subject Category:Bayer_objects.
- Zeta_Puppis subject Category:O-type_supergiants.
- Zeta_Puppis subject Category:Objects_within_10_kly_of_Earth.
- Zeta_Puppis subject Category:Puppis_(constellation).
- Zeta_Puppis subject Category:Stars_with_proper_names.
- Zeta_Puppis type BayerObjects.
- Zeta_Puppis type CelestialBody109239740.
- Zeta_Puppis type NaturalObject100019128.
- Zeta_Puppis type O-typeSupergiants.
- Zeta_Puppis type Object100002684.
- Zeta_Puppis type PhysicalEntity100001930.
- Zeta_Puppis type Star109444100.
- Zeta_Puppis type StarsWithProperNames.
- Zeta_Puppis type Supergiant109450708.
- Zeta_Puppis type Whole100003553.
- Zeta_Puppis type CelestialBody.
- Zeta_Puppis type Star.
- Zeta_Puppis type PhysicalBody.
- Zeta_Puppis comment "Zeta Puppis (Zeta Pup, ζ Puppis, ζ Pup) is a star in the constellation of Puppis. It is also known by the traditional names Naos (/ˈneɪ.ɒs/, from the Greek ναύς "ship") and Suhail Hadar (سهيل هدار, possibly "roaring bright one") in Arabic.Its spectral class is O4If, making it an exceptionally hot star, and it is one of the sky's few naked-eye class O-type stars as well as the closest to Earth.".
- Zeta_Puppis label "Naos (Stern)".
- Zeta_Puppis label "Naos (astronomia)".
- Zeta_Puppis label "Naos (estrella)".
- Zeta_Puppis label "Naos (gwiazda)".
- Zeta_Puppis label "Naos (ster)".
- Zeta_Puppis label "Zeta Puppis".
- Zeta_Puppis label "Zeta Puppis".
- Zeta_Puppis label "Zeta Puppis".
- Zeta_Puppis label "Дзета Кормы".
- Zeta_Puppis label "سهيل هدار".
- Zeta_Puppis label "とも座ゼータ星".
- Zeta_Puppis label "弧矢增二十二".
- Zeta_Puppis sameAs Naos_(hvězda).
- Zeta_Puppis sameAs Naos_(Stern).
- Zeta_Puppis sameAs Ναός_(αστέρας).
- Zeta_Puppis sameAs Naos_(estrella).
- Zeta_Puppis sameAs Zeta_Puppis.
- Zeta_Puppis sameAs Naos_(astronomia).
- Zeta_Puppis sameAs とも座ゼータ星.
- Zeta_Puppis sameAs 나오스.
- Zeta_Puppis sameAs Naos_(ster).
- Zeta_Puppis sameAs Naos_(gwiazda).
- Zeta_Puppis sameAs Zeta_Puppis.
- Zeta_Puppis sameAs m.022_t5.
- Zeta_Puppis sameAs Q13200.
- Zeta_Puppis sameAs Q13200.
- Zeta_Puppis sameAs Zeta_Puppis.
- Zeta_Puppis wasDerivedFrom Zeta_Puppis?oldid=602429579.
- Zeta_Puppis depiction Zeta_Puppis.png.
- Zeta_Puppis isPrimaryTopicOf Zeta_Puppis.
- Zeta_Puppis name "Zeta Puppis".