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Gliese 876
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Star Gliese 876

Red dwarf Gliese 876 is located 15 light years away from the Sun. It is a single star of spectral class M4V, that has 33 % of solar mass. There are multiple known exoplanets in this system.
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Sun distance
15 light years
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Gliese 876

Red dwarf, BY Draconis variable
Spectral class: M4V

Location +

Ascension iconRight ascension: 22h 53m 17.789s
Declination iconDeclination: -14° 16' 0.082'' (equatorial region)
Parallax iconParallax: 214.038
Distance iconSun distance: 15.238 ly | 4.7 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: 33 % M Sun
| 346 M Jupiter
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Star mass
Mass of the star Gliese 876 is 0.33 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: 38 % R Sun
| 3.7 R Jupiter
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Star size
Radius of the star Gliese 876 is 0.3761 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: 3377 K | 0.58 T Sun
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Star temperature
Surface temperature of Gliese 876 is 3377 K, which is 58 % 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: 5 billions years | 1.09 Sun
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Star age
Star Gliese 876 is 5 billion years old, which is about 1.09 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: 0.0122 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): 10.2
Magnitude iconAbsolute magnitude (V): 11.8
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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Gliese 876 system structure

 Gliese 876
Gliese 876 d 0.02 AU 6.9 M⊕ 1.9 days
Gliese 876 c 0.13 AU (HZ) 241.5 M⊕ 30.1 days
Gliese 876 b 0.21 AU 760.9 M⊕ 61.1 days
Gliese 876 e 0.34 AU 15.4 M⊕ 124.4 days

More about Gliese 876

Nearby star Gliese 876 is a main sequence star that fuses hydrogen atoms into helium. It is approximately 40 % of the size of Sun and temperature on its surface is around 3377 K (3104 °C), which is about 58 % of Sun's temperature.
      a BY Draconis variable. Stars from this category exhibit periodic variations in their luminosity. The variability is caused by a rotation which shows and hides starspots on the surface. Gliese 876 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. 

      Gliese 876 is a BY Draconis variable. Stars from this category exhibit periodic variations in their luminosity. The variability is caused by a rotation which shows and hides starspots on the surface.
Other designations of this star
Ross 780, BD-15°6290, G 156-057, GCTP 5546.00, HIC 113020, HIP 113020, IL Aquarii, LHS 530, Vys 337, GJ 876, Gaia EDR3 2603090003484152064
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External sources
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simbad icon
Simbad database (BD-15 6290)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 2603090003484152064)
Archive from the Gaia mission

Frequently Asked Questions

How far is the Gliese 876 system from the Sun?

The Gliese 876 system is 15 light years or 4.7 parsecs from the Sun.

What galaxy is the Gliese 876 star in?

The Gliese 876 is in the Milky Way galaxy just like the Sun.

How many stars are in the Gliese 876 system?

The Gliese 876 is a single star, there are no other known stars in the system.

What type of star is the Gliese 876?

The star Gliese 876 is a Red dwarf star.

What temperature is star Gliese 876?

The star Gliese 876 has an effective temperature of 3377 K. Find out more about the temperature of stars in Stellar guide
Class of stars Red dwarf
Red dwarfs are small, cool stars with surface temperatures of about 2,000–3,800 K, much cooler than the Sun. They usually have 8–50% of the Sun’s mass and shine very faintly, sometimes at just a tiny fraction of the Sun’s brightness. Classified mainly as spectral type M, they are the most common stars in the Milky Way, making up roughly 70–75% of its stellar population.

They fuse hydrogen slowly through the proton–proton chain and are fully convective, which allows them to use their fuel very efficiently. As a result, red dwarfs can live for tens of billions to trillions of years—far longer than the Sun. Many exoplanets orbit red dwarfs, including some in close habitable zones, though strong stellar activity can affect planetary environments.
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