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Star 42 Orionis

Blue-white star 42 Orionis is located 884 light years away from the Sun. It is a single star of spectral class B1V, that has 1200 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
884 light years

42 Orionis

Spectral class: B1V

Location +

Ascension iconRight ascension: 5h 35m 23.164s
Declination iconDeclination: -4° 50' 18.088'' (equatorial region)
Parallax iconParallax: 3.690
Distance iconSun distance: 883.892 ly | 271.0 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: 1200 % M Sun
| 12571 M Jupiter
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Star mass
Mass of the star 42 Orionis is 12.0 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: 570 % R Sun
| 56.3 R Jupiter
(estimate)
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Star size
Radius of the star 42 Orionis is not known. Its estimated value based on other similar stars is about 570 % 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: 25400 K | 4.4 T Sun
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Star temperature
Surface temperature of 42 Orionis is 25400 K, which is 440 % 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
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42 Orionis system structure

42 Orionis

More about 42 Orionis

Star 42 Orionis is a main sequence star that fuses hydrogen atoms into helium. It is is approximately 6 times bigger than the Sun and temperature on its surface is around 25400 K (25127 °C), which is about 440 % of Sun's temperature.
       42 Orionis can be found in southern celestial hemisphere. 
Other designations of this star
c Orionis, BD-04°1185, CCDM J05354-0450AB, GC 6934, HIC 26237, HIP 26237, HR 1892, HD 37018, NSV 2318, SAO 132320, WDS J05354-0450AB
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Frequently Asked Questions

How far is the 42 Orionis system from the Sun?

The 42 Orionis system is 884 light years or 271.0 parsecs from the Sun.

What galaxy is the 42 Orionis star in?

The 42 Orionis is in the Milky Way galaxy just like the Sun.

How many stars are in the 42 Orionis system?

The 42 Orionis is a single star, there are no other known stars in the system.

What type of star is the 42 Orionis?

The star 42 Orionis is a Blue-white star star.

What temperature is star 42 Orionis?

The star 42 Orionis has an effective temperature of 25400 K. Find out more about the temperature of stars in Stellar guide
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