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K2 233
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Star K2 233

K2-233 is a young, active orange dwarf star approximately 400 million years old. Located about 221 light-years away, it possesses 0.79 times the mass and 0.71 times the radius of the Sun, with a surface temperature of 4796 Kelvin.
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Sun distance
221 light years
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K2 233

Orange star
Spectral class: K3

Location +

Ascension iconRight ascension: 15h 21m 55.184s
Declination iconDeclination: -20° 13' 54.486'' (southern hemisphere)
Parallax iconParallax: 14.772
Distance iconSun distance: 220.795 ly | 67.7 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: 79 % M Sun
| 828 M Jupiter
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Star mass
Mass of the star K2 233 is 0.79 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: 71 % R Sun
| 7.1 R Jupiter
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Star size
Radius of the star K2 233 is 0.71 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: 4796 K | 0.83 T Sun
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Star temperature
Surface temperature of K2 233 is 4796 K, which is 83 % 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: 0.360 billions years | 0.08 Sun
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Star age
Star K2 233 is 0.360 billion years old, which is about 0.08 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): 10.9
Magnitude iconAbsolute magnitude (V): 6.7
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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K2 233 system structure

 K2 233
K2 233 b 0.03 AU 2.4 M⊕ 1.3 R⊕ 2.5 days
K2 233 c 0.07 AU 4.6 M⊕ 1.3 R⊕ 7.1 days
K2 233 d 0.15 AU 10.3 M⊕ 2.4 R⊕ 24.4 days

More about K2 233

Star K2 233 is a main sequence star that fuses hydrogen atoms into helium. It is approximately 70 % of the size of Sun and temperature on its surface is around 4796 K (4523 °C), which is about 83 % of Sun's temperature.
       K2 233 can be found in southern celestial hemisphere, you cannot see it with naked eye, but you can observe this star with basic telescope. The star is also observable from Northern America, Europe and Asia.
Other designations of this star
TYC 6179-186-1, 2MASS J15215519-2013539, K2-233, Gaia DR3 6253186686054822784
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External sources
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icon study
gaia icon
Gaia database (Gaia DR3 6253186686054822784)
Archive from the Gaia mission

Frequently Asked Questions

How far is the K2 233 system from the Sun?

The K2 233 system is 221 light years or 67.7 parsecs from the Sun.

What galaxy is the K2 233 star in?

The K2 233 is in the Milky Way galaxy just like the Sun.

How many stars are in the K2 233 system?

The K2 233 is a single star, there are no other known stars in the system.

What type of star is the K2 233?

The star K2 233 is a Orange star star.

What temperature is star K2 233?

The star K2 233 has an effective temperature of 4796 K. Find out more about the temperature of stars in Stellar guide
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