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K2-289
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Star K2-289

Orange star K2-289 is located 883 light years away from the Sun. It is a single star of spectral class K1V, that has 95 % of solar mass. There is at least one exoplanet in this system.
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Sun distance
883 light years
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K2-289

Orange star
Spectral class: K1V

Location +

Ascension iconRight ascension: 16h 26m 34.335s
Declination iconDeclination: -15° 47' 32.565'' (equatorial region)
Parallax iconParallax: 3.632
Distance iconSun distance: 883.056 ly | 270.7 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: 95 % M Sun
| 995 M Jupiter
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Star mass
Mass of the star K2-289 is 0.95 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: 102 % R Sun
| 10.2 R Jupiter
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Star size
Radius of the star K2-289 is 1.02 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: 5529 K | 0.96 T Sun
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Star temperature
Surface temperature of K2-289 is 5529 K, which is 96 % 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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K2-289 system structure

 K2-289
K2-289 b 0.11 AU 48.6 M⊕ 9.1 R⊕ 13.2 days

More about K2-289

Star K2-289 is is approximately 2 % bigger than the Sun and temperature on its surface is around 5529 K (5256 °C), which is about 96 % of Sun's temperature.
       K2-289 can be found in southern celestial hemisphere.
Other designations of this star
K2-289, 2MASS J16263433-1547326, Gaia DR3 4325505960880989952, EPIC 205686202, TIC 413753029, WISE J162634.31-154732.9
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Frequently Asked Questions

How far is the K2-289 system from the Sun?

The K2-289 system is 883 light years or 270.7 parsecs from the Sun.

What galaxy is the K2-289 star in?

The K2-289 is in the Milky Way galaxy just like the Sun.

How many stars are in the K2-289 system?

The K2-289 is a single star, there are no other known stars in the system.

What type of star is the K2-289?

The star K2-289 is a Orange star star.

What temperature is star K2-289?

The star K2-289 has an effective temperature of 5529 K. Find out more about the temperature of stars in Stellar guide

stellar brief logoStellar Brief

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24. 10. 2026
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A planet’s helium atmosphere streams ahead of its orbit, while infrared observations reveal the hidden rhythms of its star. New work also shows how neutron-star tilt can reshape X-ray light, traces the past of massive blue supergiants, and maps cloudy and clear zones on the hot Jupiter WASP-43 b.
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