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Zeta1 Scorpii
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Star Zeta1 Scorpii

Blue hypergiant Zeta1 Scorpii is located 4574 light years away from the Sun. It is a single star of spectral class B1.5 Iae, that has 3600 % of solar mass. For now, there are no known exoplanets in this star system.
Sun distance
4574 light years
galaxy map

Zeta1 Scorpii

Blue hypergiant
Spectral class: B1.5 Iae

Location +

Ascension iconRight ascension: 16h 53m 59.727s
Declination iconDeclination: -42° 21' 43.31'' (southern hemisphere)
Parallax iconParallax: 0.713
Distance iconSun distance: 4573.776 ly | 1402.3 pc
Star position
The position of a star tells us where it appears in the sky, similar to how we use coordinates like latitude and longitude on Earth. In astronomy, the three main coordinates are right ascension, declination and distance. .. icon More about Star position in StellarGuide

Basic characteristic

icon weight
Mass: 3600 % M Sun
| 37713 M Jupiter
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Star mass
Mass of the star Zeta1 Scorpii is 36 solar masses.

The mass of a star is the total amount of matter it contains. It is one of the most important properties of a star, as it determines almost everything about how the star lives, changes, and dies. In astronomy, star mass is usually measured in solar masses (M☉) — where 1 solar mass is equal to the mass of our Sun... icon More about Star mass in StellarGuide
radius icon
Size: 10300 % R Sun
| 1025 R Jupiter
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Star size
Radius of the star Zeta1 Scorpii is 103 solar radii.

The size of a star refers to its radius — the distance from its center to its surface. Star size is usually measured in solar radii (R☉), where 1 solar radius equals approximately 696,000 kilometers. Depending on their type and life stage, stars can be much smaller or larger than the Sun... icon More about Star size in StellarGuide
temperature icon
Temperature: 17200 K | 2.98 T Sun
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Star temperature
Surface temperature of Zeta1 Scorpii is 17200 K, which is 298 % of the temperature on the surface of the Sun.

The temperature of a star refers to the temperature at its surface, also called the photosphere. It is measured in kelvins (K), the standard unit for temperature in astronomy. A star’s temperature tells us a lot about its physical properties and where it stands in its evolutionary stage... icon More about Star temperature in StellarGuide
time icon
Age: 0.006 billions years | 0 Sun
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Star age
Star Zeta1 Scorpii is 0.006 billion years old, which is about 0 of the Sun's age.

The age of a star tells us how long it has been shining since it formed. Knowing a star’s age helps astronomers understand its life stage, how it has changed over time, and what will happen to it in the future... icon More about Star age in StellarGuide
luminosity icon
Luminosity: 850000 L Sun
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Star luminosity
Luminosity is the total amount of energy a star gives off every second. Think of it as the star’s true brightness — not just how bright it looks from Earth. This is important because some stars may appear dim simply because they are far away, not because they’re actually faint... icon More about Star luminosity in StellarGuide
More about Zeta1 Scorpii
Star Zeta1 Scorpii is is much bigger than the Sun and temperature on its surface is around 17200 K (16927 °C), which is about 298 % of Sun's temperature.
       Zeta1 Scorpii can be found in southern celestial hemisphere.
Other designations of this star
ζ1 Sco, CD−42 11633, CPD−42 7545, GC 22730, HD 152236, HIP 82671, HR 6262, PPM 322342, SAO 227375

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