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WASP-2
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Star WASP-2

Binary star WASP-2 is located 496 light years away from the Sun. It consists of a orange star and a red dwarf. There is at least one exoplanet in this system.
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Sun distance
496 light years
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WASP-2 A

Orange star
Spectral class: G9/K0V

Location +

Ascension iconRight ascension: 20h 30m 54.143s
Declination iconDeclination: 6° 25' 45.565'' (equatorial region)
Parallax iconParallax: 6.578
Distance iconSun distance: 495.854 ly | 152.0 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: 84.3 % M Sun
| 883 M Jupiter
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Star mass
Mass of the star WASP-2 A is 0.843 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: 82 % R Sun
| 8.2 R Jupiter
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Star size
Radius of the star WASP-2 A is 0.821 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: 5170 K | 0.89 T Sun
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Star temperature
Surface temperature of WASP-2 A is 5170 K, which is 89 % 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: 7.6 billions years | 1.65 Sun
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Star age
Star WASP-2 A is 7.6 billion years old, which is about 1.65 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

Photometry

Magnitude iconApparent magnitude (V): 12
Magnitude iconAbsolute magnitude (V): 6.1
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

WASP-2 B

Red dwarf

Basic characteristic

temperature iconTemperature: 5300 K
 (estimate)
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Star temperature
Surface temperature of WASP-2 B is estimated to be 5257 K, which is 92 % 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

Photometry

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-2 system structure

 WASP-2 A
WASP-2 A b 0.03 AU 269.3 M⊕ 12.1 R⊕ 2.2 days
WASP-2 B

More about WASP-2

       WASP-2 can be found in northern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope.
Other designations of this star
DAE 10 A, TOI-5797, TIC 374530847, 2MASS J20305413+0625463, Gaia DR3 1748596020745038208
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Frequently Asked Questions

How far is the WASP-2 system from the Sun?

The WASP-2 system is 496 light years or 152.0 parsecs from the Sun.

What galaxy is the WASP-2 star in?

The WASP-2 is in the Milky Way galaxy just like the Sun.

How many stars are in the WASP-2 system?

The WASP-2 system contains 2 stars.

What type of star is the WASP-2?

The primary in the WASP-2 system is a Orange star star.

What temperature is star WASP-2?

The primary in the WASP-2 system has a temperature of 5170 K. Find out more about the temperature of stars in Stellar guide
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