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Wolf 359
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Star Wolf 359

Red dwarf Wolf 359 is located 8 light years away from the Sun. It is a single flare star of spectral class M6.5 Ve, that has 11 % of solar mass. There are multiple known exoplanets in this system.
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Sun distance
8 light years
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Wolf 359

Red dwarf, flare star
Spectral class: M6.5 Ve

Location +

Ascension iconRight ascension: 10h 56m 24.770s
Declination iconDeclination: 7° 0' 9.817'' (equatorial region)
Parallax iconParallax: 415.179
Distance iconSun distance: 7.856 ly | 2.4 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: 11 % M Sun
| 115 M Jupiter
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Star mass
Mass of the star Wolf 359 is 0.110 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: 14.4 % R Sun
| 1.4 R Jupiter
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Star size
Radius of the star Wolf 359 is 0.144 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: 2749 K | 0.48 T Sun
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Star temperature
Surface temperature of Wolf 359 is 2749 K, which is 48 % 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: 0.2 billions years | 0.04 Sun
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Star age
Star Wolf 359 is 0.2 billion years old, which is about 0.04 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: 0.00002 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): 13.5
Magnitude iconAbsolute magnitude (V): 16.6
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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Wolf 359 system structure

 Wolf 359
Wolf 359 c 0.02 AU 3.8 M⊕ 2.7 days
Wolf 359 b
unconfirmed
 1.85 AU 43.9 M⊕ 2938 days

More about Wolf 359

Nearby star Wolf 359 is a main sequence star that fuses hydrogen atoms into helium. It is approximately 10 % of the size of Sun and temperature on its surface is around 2749 K (2476 °C), which is about 48 % of Sun's temperature.
       Wolf 359 can be found in northern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope.
Other designations of this star
CN Leonis, Gliese 406, GJ 406, G 045-020, LTT 12923, LFT 750, LHS 36, GCTP 2553, Gaia EDR3 3864972938605115520
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External sources
icon study
simbad icon
Simbad database (Wolf 359)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 3864972938605115520)
Archive from the Gaia mission

Frequently Asked Questions

How far is the Wolf 359 system from the Sun?

The Wolf 359 system is 8 light years or 2.4 parsecs from the Sun.

What galaxy is the Wolf 359 star in?

The Wolf 359 is in the Milky Way galaxy just like the Sun.

How many stars are in the Wolf 359 system?

The Wolf 359 is a single star, there are no other known stars in the system.

What type of star is the Wolf 359?

The star Wolf 359 is a Red dwarf star.

What temperature is star Wolf 359?

The star Wolf 359 has an effective temperature of 2749 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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