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Mu Capricorni
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Star Mu Capricorni

Yellow-White star Mu Capricorni is located 87 light years away from the Sun. It is a single star of spectral class F2V, that has 129 % of solar mass. For now, there are no known exoplanets in this star system.
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Nearby stars catalogue
Sun distance
87 light years

Mu Capricorni

Yellow-White star, High proper motion star
Spectral class: F2V

Location +

Ascension iconRight ascension: 21h 53m 18.114s
Declination iconDeclination: -13° 33' 6.165'' (equatorial region)
Parallax iconParallax: 37.338
Distance iconSun distance: 87.353 ly | 26.8 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: 129 % M Sun
| 1351 M Jupiter
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Star mass
Mass of the star Mu Capricorni is 1.29 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: 180 % R Sun
| 17.9 R Jupiter
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Star size
Radius of the star Mu Capricorni is 1.8 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: 6892 K | 1.19 T Sun
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Star temperature
Surface temperature of Mu Capricorni is 6892 K, which is 119 % 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: 1.6 billions years | 0.35 Sun
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Star age
Star Mu Capricorni is 1.6 billion years old, which is about 0.35 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): 5.1
Magnitude iconAbsolute magnitude (V): 2.9
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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Mu Capricorni system structure

Mu Capricorni

More about Mu Capricorni

Nearby star Mu Capricorni is a main sequence star that fuses hydrogen atoms into helium. It is is approximately 80 % bigger than the Sun and temperature on its surface is around 6892 K (6619 °C), which is about 119 % of Sun's temperature.
       Mu Capricorni can be found in southern celestial hemisphere, and it is possible to see it with naked eye. The star is also observable from Northern America, Europe and Asia. 
Other designations of this star
μ Cap, 51 Cap, BD−14° 6149, FK5 1577, Gl 838.5, HD 207958, HIP 108036, HR 8351, SAO 164713, mu. Cap, Gaia DR3 6840706910418152320
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External sources
simbad icon
Simbad database (* mu. Cap)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia DR3 6840706910418152320)
Archive from the Gaia mission

Frequently Asked Questions

How far is the Mu Capricorni system from the Sun?

The Mu Capricorni system is 87 light years or 26.8 parsecs from the Sun.

What galaxy is the Mu Capricorni star in?

The Mu Capricorni is in the Milky Way galaxy just like the Sun.

How many stars are in the Mu Capricorni system?

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

What type of star is the Mu Capricorni?

The star Mu Capricorni is a Yellow-White star star.

What temperature is star Mu Capricorni?

The star Mu Capricorni has an effective temperature of 6892 K. Find out more about the temperature of stars in Stellar guide
Closest stars

2MASS J21542494-1023022
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BD-12 6174
- 6 ly

LP 759-17
- 6 ly

UCAC4 402-128582
- 7.2 ly
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stellar brief logoStellar Brief

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23. 10. 2026
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Today’s astronomy highlights reveal a striking contrast on exoplanet WASP-43 b: models indicate that its nightside is largely cloudy, while its dayside appears clear at the level where light emerges. The findings offer a new way to compare the planet’s extreme weather with telescope observations.
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