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Gliese 908
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Star Gliese 908

Red dwarf Gliese 908 is located 19 light years away from the Sun. It is a single star of spectral class M1V, that has 37 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
19 light years
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Gliese 908

Red dwarf, BY Draconis variable
Spectral class: M1V

Location +

Ascension iconRight ascension: 23h 49m 13.587s
Declination iconDeclination: 2° 23' 48.905'' (equatorial region)
Parallax iconParallax: 169.216
Distance iconSun distance: 19.274 ly | 5.9 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: 37 % M Sun
| 388 M Jupiter
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Star mass
Mass of the star Gliese 908 is 0.37 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: 39 % R Sun
| 3.9 R Jupiter
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Star size
Radius of the star Gliese 908 is 0.39 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: 3653 K | 0.63 T Sun
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Star temperature
Surface temperature of Gliese 908 is 3653 K, which is 63 % 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
luminosity icon
Luminosity: 0.022 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): 9
Magnitude iconAbsolute magnitude (V): 10.1
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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Gliese 908 system structure

 Gliese 908

More about Gliese 908

Nearby star Gliese 908 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 3653 K (3380 °C), which is about 63 % 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 908 can be found in northern celestial hemisphere, you cannot see it with naked eye, but you can observe this star with basic telescope. The star is easily observable from Northern America, Europe and Asia. 

      Gliese 908 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
BR Piscium, HIP 117473, SAO 128397, PPM 174453, G 29-68, G 31-6, GJ 908, LHS 550, LTT 17014, Lalande 46650, BR Psc, Gaia EDR3 2739689239311660672
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External sources
simbad icon
Simbad database (V* BR Psc)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 2739689239311660672)
Archive from the Gaia mission

Frequently Asked Questions

How far is the Gliese 908 system from the Sun?

The Gliese 908 system is 19 light years or 5.9 parsecs from the Sun.

What galaxy is the Gliese 908 star in?

The Gliese 908 is in the Milky Way galaxy just like the Sun.

How many stars are in the Gliese 908 system?

The Gliese 908 is a single star, there are no other known stars in the system.

What type of star is the Gliese 908?

The star Gliese 908 is a Red dwarf star.

What temperature is star Gliese 908?

The star Gliese 908 has an effective temperature of 3653 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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 0.44 M☉ 6.3 ly

Gliese 1005
 0.18 M☉ 6.7 ly

Van Maanens star
 0.68 M☉ 6.8 ly
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