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K2-135
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Star K2-135

Orange star K2-135 is located 97 light years away from the Sun. It is a single star of spectral class K6V C, that has 59 % of solar mass. There are multiple known exoplanets in this system.
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Sun distance
97 light years
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K2-135

Orange star, High proper motion star
Spectral class: K6V C

Location +

Ascension iconRight ascension: 23h 27m 5.240s
Declination iconDeclination: -1° 17' 7.129'' (equatorial region)
Parallax iconParallax: 33.725
Distance iconSun distance: 96.711 ly | 29.7 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: 59.3 % M Sun
| 621 M Jupiter
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Star mass
Mass of the star K2-135 is 0.593 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: 58 % R Sun
| 5.8 R Jupiter
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Star size
Radius of the star K2-135 is 0.579 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: 4294 K | 0.74 T Sun
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Star temperature
Surface temperature of K2-135 is 4294 K, which is 74 % 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: 6.05 billions years | 1.32 Sun
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Star age
Star K2-135 is 6.05 billion years old, which is about 1.32 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: 0.125 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): 10.1
Magnitude iconAbsolute magnitude (V): 7.7
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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K2-135 system structure

 K2-135
K2-135 b 0.02 AU 4.9 M⊕ 1.5 R⊕ 1.2 days
K2-135 c 0.04 AU 1.9 M⊕ 1.2 R⊕ 3.6 days
K2-135 d 0.06 AU 3.4 M⊕ 2 R⊕ 6.2 days

More about K2-135

Nearby star K2-135 is a main sequence star that fuses hydrogen atoms into helium. It is approximately 60 % of the size of Sun and temperature on its surface is around 4294 K (4021 °C), which is about 74 % of Sun's temperature.
       K2-135 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
BD-02 5958, GJ 9827, Gliese 9827, G 157-63, DENIS J232704.7-011710, HIC 115752, HIP 115752, LTT 9542, NLTT 56901, 2MASS J23270480-0117108, TIC 301289516, TYC 5244-1092-1, WISEA J232705.10-011708.2, Gaia DR3 2643842302456085888
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External sources
icon study
icon study
icon study
icon study
icon study
The compact multi-planet system GJ 9827 revisited with ESPRESSO
Scientific study, Accepted: 11. 01. 2024
icon study
icon study
simbad icon
Simbad database (BD-02 5958)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia DR3 2643842302456085888)
Archive from the Gaia mission
tess icon
TESS database (TOI 4517.01)
Archive from the TESS mission

Frequently Asked Questions

How far is the K2-135 system from the Sun?

The K2-135 system is 97 light years or 29.7 parsecs from the Sun.

What galaxy is the K2-135 star in?

The K2-135 is in the Milky Way galaxy just like the Sun.

How many stars are in the K2-135 system?

The K2-135 is a single star, there are no other known stars in the system.

What type of star is the K2-135?

The star K2-135 is a Orange star star.

What temperature is star K2-135?

The star K2-135 has an effective temperature of 4294 K. Find out more about the temperature of stars in Stellar guide
Closest stars

 LP 702-58
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EGGR 554
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UCAC4 449-137260
 - 5.7 ly

G 28-44
 - 7.4 ly

G 29-14
 - 7.8 ly
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