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Upsilon Orionis
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Star Upsilon Orionis

Blue star Upsilon Orionis is located 2861 light years away from the Sun. It is a single star of spectral class O9.7 V, that has 2000 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
2861 light years
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Upsilon Orionis

Blue star
Spectral class: O9.7 V

Location +

Ascension iconRight ascension: 5h 31m 55.860s
Declination iconDeclination: -7° 18' 5.537'' (equatorial region)
Parallax iconParallax: 1.140
Distance iconSun distance: 2,861.017 ly | 877.2 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: 2000 % M Sun
| 20951 M Jupiter
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Star mass
Mass of the star Upsilon Orionis is 20 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: 720 % R Sun
| 71.6 R Jupiter
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Star size
Radius of the star Upsilon Orionis is 7.2 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: 33400 K | 5.78 T Sun
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Star temperature
Surface temperature of Upsilon Orionis is 33400 K, which is 578 % 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
luminosity icon
Luminosity: 60000 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
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Upsilon Orionis system structure

 Upsilon Orionis

More about Upsilon Orionis

Star Upsilon Orionis is a main sequence star that fuses hydrogen atoms into helium. It is is approximately 7 times bigger than the Sun and temperature on its surface is around 33400 K (33127 °C), which is about 578 % of Sun's temperature.
       Upsilon Orionis can be found in southern celestial hemisphere.
Other designations of this star
υ Ori, 36 Orionis, HD 36512, HIC 25923, HIP 25923, HR 1855, SAO 132222, BD−07° 1106, Thabit, Tabit
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Frequently Asked Questions

How far is the Upsilon Orionis system from the Sun?

The Upsilon Orionis system is 2861 light years or 877.2 parsecs from the Sun.

What galaxy is the Upsilon Orionis star in?

The Upsilon Orionis is in the Milky Way galaxy just like the Sun.

How many stars are in the Upsilon Orionis system?

The Upsilon Orionis is a single star, there are no other known stars in the system.

What type of star is the Upsilon Orionis?

The star Upsilon Orionis is a Blue star star.

What temperature is star Upsilon Orionis?

The star Upsilon Orionis has an effective temperature of 33400 K. Find out more about the temperature of stars in Stellar guide
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