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L 122-88
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Star L 122-88

Binary star L 122-88 is located 108 light years away from the Sun. It consists of a red dwarf and a brown dwarf. For now, there are no known exoplanets in this star system.
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Sun distance
108 light years
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L 122-88 A

Red dwarf, High proper motion star
Spectral class: M2

Location +

Ascension iconRight ascension: 0h 31m 23.773s
Declination iconDeclination: -64° 13' 59.201'' (southern hemisphere)
Parallax iconParallax: 30.140
Distance iconSun distance: 108.214 ly | 33.2 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: 37.8 % M Sun
| 396 M Jupiter
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Star mass
Mass of the star L 122-88 A is 0.378 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
temperature icon
Temperature: 3618 K | 0.63 T Sun
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Star temperature
Surface temperature of L 122-88 A is 3618 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

Photometry

Magnitude iconApparent magnitude (V): 13.1
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

L 122-88 B

Brown dwarf, , High proper motion star
Spectral class: d/sdT5

Location +

Distance iconDistance from the primary: 7138.4 AU

Basic characteristic

radius icon
Size: 10 % R Sun
| 1 R Jupiter
(estimate)
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Star size
Radius of the star L 122-88 B is not known. Its estimated value based on other similar stars is about 10 % 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

Photometry

Magnitude iconAbsolute magnitude (V): -2.6
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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L 122-88 system structure

 L 122-88 A
L 122-88 B 7138.4 AU

More about L 122-88

       L 122-88 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
CWISE J003147.79−641123.1, CWISE J003124.30−641354.9
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External sources
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Frequently Asked Questions

How far is the L 122-88 system from the Sun?

The L 122-88 system is 108 light years or 33.2 parsecs from the Sun.

What galaxy is the L 122-88 star in?

The L 122-88 is in the Milky Way galaxy just like the Sun.

How many stars are in the L 122-88 system?

The L 122-88 system contains 2 stars.

What type of star is the L 122-88?

The primary in the L 122-88 system is a Red dwarf star.

What temperature is star L 122-88?

The primary in the L 122-88 system has a temperature of 3618 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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