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WASP 139
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Star WASP 139

Orange star WASP 139 is located 694 light years away from the Sun. It is a single star, that has 84 % of solar mass. There is at least one exoplanet in this system.
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Sun distance
694 light years
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WASP 139

Orange star

Location +

Ascension iconRight ascension: 3h 18m 14.923s
Declination iconDeclination: -41° 18' 7.272'' (southern hemisphere)
Parallax iconParallax: 4.698
Distance iconSun distance: 694.180 ly | 212.8 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: 84 % M Sun
| 880 M Jupiter
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Star mass
Mass of the star WASP 139 is 0.84 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: 81 % R Sun
| 8.1 R Jupiter
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Star size
Radius of the star WASP 139 is 0.810 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: 5233 K | 0.91 T Sun
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Star temperature
Surface temperature of WASP 139 is 5233 K, which is 91 % 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: 6 billions years | 1.3 Sun
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Star age
Star WASP 139 is 6 billion years old, which is about 1.3 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: 0.44 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

Photometry

Magnitude iconApparent magnitude (V): 12.5
Magnitude iconAbsolute magnitude (V): 5.8
Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).
5
10
15
20
25
30
35
K
2.1
H
1.6
J
1.2
Grp
0.8
I
0.8
G
0.6
V
0.5
Gbp
0.5
B
0.4
U
0.3
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WASP 139 system structure

 WASP 139
WASP 139 b 0.06 AU 37.6 M⊕ 8.8 R⊕ 5.9 days

More about WASP 139

Star WASP 139 is approximately 80 % of the size of Sun and temperature on its surface is around 5233 K (4960 °C), which is about 91 % of Sun's temperature.
       WASP 139 can be found in southern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope.
Other designations of this star
Gaia DR3 4851398799032507776
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External sources
icon study
gaia icon
Gaia database (Gaia DR3 4851398799032507776)
Archive from the Gaia mission
tess icon
TESS database (TOI 265.01)
Archive from the TESS mission

Frequently Asked Questions

How far is the WASP 139 system from the Sun?

The WASP 139 system is 694 light years or 212.8 parsecs from the Sun.

What galaxy is the WASP 139 star in?

The WASP 139 is in the Milky Way galaxy just like the Sun.

How many stars are in the WASP 139 system?

The WASP 139 is a single star, there are no other known stars in the system.

What type of star is the WASP 139?

The star WASP 139 is a Orange star star.

What temperature is star WASP 139?

The star WASP 139 has an effective temperature of 5233 K. Find out more about the temperature of stars in Stellar guide
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