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Gliese 588
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Star Gliese 588

Red dwarf Gliese 588 is located 19 light years away from the Sun. It is a single star of spectral class M2.5 V, that has 46 % of solar mass. There are multiple known exoplanets in this system.
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Sun distance
19 light years
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Gliese 588

Red dwarf, High proper motion star
Spectral class: M2.5 V

Location +

Ascension iconRight ascension: 15h 32m 11.264s
Declination iconDeclination: -41° 16' 48.627'' (southern hemisphere)
Parallax iconParallax: 168.997
Distance iconSun distance: 19.300 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: 46 % M Sun
| 482 M Jupiter
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Star mass
Mass of the star Gliese 588 is 0.46 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: 48 % R Sun
| 4.8 R Jupiter
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Star size
Radius of the star Gliese 588 is 0.48 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: 3501 K | 0.61 T Sun
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Star temperature
Surface temperature of Gliese 588 is 3501 K, which is 61 % 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 iconApparent magnitude (V): 9.3
Magnitude iconAbsolute magnitude (V): 10.5
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 588 system structure

 Gliese 588
Gliese 588 b 0.05 AU 2.4 M⊕ -
Gliese 588 c 0.53 AU 10.3 M⊕ -

More about Gliese 588

Nearby star Gliese 588 is a main sequence star that fuses hydrogen atoms into helium. It is approximately 50 % of the size of Sun and temperature on its surface is around 3501 K (3228 °C), which is about 61 % of Sun's temperature.
       Gliese 588 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
CD-40 9712, HIP 76074, LHS 397, LTT 6210, TYC 7844-1976-1, 2MASS J15321302-4116314, GJ 588, Gaia EDR3 6002807341299977216
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External sources
icon study
simbad icon
Simbad database (CD-40 9712)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 6002807341299977216)
Archive from the Gaia mission

Frequently Asked Questions

How far is the Gliese 588 system from the Sun?

The Gliese 588 system is 19 light years or 5.9 parsecs from the Sun.

What galaxy is the Gliese 588 star in?

The Gliese 588 is in the Milky Way galaxy just like the Sun.

How many stars are in the Gliese 588 system?

The Gliese 588 is a single star, there are no other known stars in the system.

What type of star is the Gliese 588?

The star Gliese 588 is a Red dwarf star.

What temperature is star Gliese 588?

The star Gliese 588 has an effective temperature of 3501 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.
Closest stars

 2MASS J1540-5101
 0.09 M☉ 3.7 ly

WISE 1541-2250
 0.01 M☉ 6.3 ly

Gliese 3877
 0.08 M☉ 6.6 ly

33 G. Librae
 0.8 M☉ 7.1 ly

Gliese 682
 0.2 M☉ 7.7 ly
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