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LHS 475
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Star LHS 475

Red dwarf LHS 475 is located 41 light years away from the Sun. It is a single star of spectral class M3.5V, that has 26 % of solar mass. There is at least one exoplanet in this system.
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Sun distance
41 light years
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LHS 475

Red dwarf, High proper motion star
Spectral class: M3.5V

Location +

Ascension iconRight ascension: 19h 20m 57.203s
Declination iconDeclination: -82° 33' 35.853'' (southern hemisphere)
Parallax iconParallax: 80.113
Distance iconSun distance: 40.712 ly | 12.5 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: 26.2 % M Sun
| 274 M Jupiter
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Star mass
Mass of the star LHS 475 is 0.262 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: 28 % R Sun
| 2.8 R Jupiter
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Star size
Radius of the star LHS 475 is 0.2789 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: 3312 K | 0.57 T Sun
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Star temperature
Surface temperature of LHS 475 is 3312 K, which is 57 % 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: 0.0087 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): 12.7
Magnitude iconAbsolute magnitude (V): 12.2
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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LHS 475 system structure

 LHS 475
LHS 475 b 0.02 AU 1 M⊕ 1 R⊕ 2 days

More about LHS 475

Nearby star LHS 475 is a main sequence star that fuses hydrogen atoms into helium. It is approximately 30 % of the size of Sun and temperature on its surface is around 3312 K (3039 °C), which is about 57 % of Sun's temperature.
       LHS 475 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
L 22-69, GJ 4102, Gliese 4102, LFT 1458, 2MASS J19205439-8233170, TIC 369327947, TOI-910, WISEA J192056.23-823329.0, Gaia EDR3 6347643496607835520
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External sources
icon study
LHS 475 b: A Venus-sized Planet Orbiting a Nearby M Dwarf
Scientific study, Accepted: 04. 04. 2023
icon study
A JWST transmission spectrum of a nearby Earth-sized exoplanet
Scientific study, Accepted: 10. 01. 2023
simbad icon
Simbad database (L 22-69)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 6347643496607835520)
Archive from the Gaia mission
tess icon
TESS database (TOI 910.01)
Archive from the TESS mission

Frequently Asked Questions

How far is the LHS 475 system from the Sun?

The LHS 475 system is 41 light years or 12.5 parsecs from the Sun.

What galaxy is the LHS 475 star in?

The LHS 475 is in the Milky Way galaxy just like the Sun.

How many stars are in the LHS 475 system?

The LHS 475 is a single star, there are no other known stars in the system.

What type of star is the LHS 475?

The star LHS 475 is a Red dwarf star.

What temperature is star LHS 475?

The star LHS 475 has an effective temperature of 3312 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

 L 21-3
 - 3.5 ly

L 43-72
 - 4.1 ly

L 46-96
 - 4.9 ly

UCAC4 026-011435
 - 4.9 ly

Gliese 4154
 0.38 M☉ 6.2 ly
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