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NGTS-10
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Star NGTS-10

Binary star NGTS-10 is located 842 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
842 light years
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NGTS-10 A

Orange star
Spectral class: K5V

Location +

Ascension iconRight ascension: 6h 7m 29.352s
Declination iconDeclination: -25° 35' 41.619'' (southern hemisphere)
Parallax iconParallax: 3.871
Distance iconSun distance: 842.482 ly | 258.3 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: 69.6 % M Sun
| 729 M Jupiter
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Star mass
Mass of the star NGTS-10 A is 0.696 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: 70 % R Sun
| 6.9 R Jupiter
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Star size
Radius of the star NGTS-10 A is 0.697 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: 4400 K | 0.76 T Sun
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Star temperature
Surface temperature of NGTS-10 A is 4400 K, which is 76 % 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: 10.4 billions years | 2.26 Sun
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Star age
Star NGTS-10 A is 10.4 billion years old, which is about 2.26 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): 14.3
Magnitude iconAbsolute magnitude (V): 7.2
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

NGTS-10 B

Red dwarf

Basic characteristic

temperature iconTemperature: 4400 K
 (estimate)
+
Star temperature
Surface temperature of NGTS-10 B is estimated to be 4434 K, which is 76 % 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

Magnitude iconAbsolute magnitude (V): -7.1
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
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NGTS-10 system structure

 NGTS-10 A
NGTS-10 A b 0.01 AU 687.3 M⊕ 13.5 R⊕ 0.8 days
NGTS-10 B

More about NGTS-10

       NGTS-10 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 2911987212510959232
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External sources
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Frequently Asked Questions

How far is the NGTS-10 system from the Sun?

The NGTS-10 system is 842 light years or 258.3 parsecs from the Sun.

What galaxy is the NGTS-10 star in?

The NGTS-10 is in the Milky Way galaxy just like the Sun.

How many stars are in the NGTS-10 system?

The NGTS-10 system contains 2 stars.

What type of star is the NGTS-10?

The primary in the NGTS-10 system is a Orange star star.

What temperature is star NGTS-10?

The primary in the NGTS-10 system has a temperature of 4400 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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