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LHS 3844
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Star LHS 3844

Red dwarf LHS 3844 is located 49 light years away from the Sun. It is a single star of spectral class M4.5-M5, that has 15 % of solar mass. There is at least one exoplanet in this system.
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Sun distance
49 light years
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LHS 3844

Red dwarf, High proper motion star
Spectral class: M4.5-M5

Location +

Ascension iconRight ascension: 22h 41m 59.130s
Declination iconDeclination: -69° 10' 19.953'' (southern hemisphere)
Parallax iconParallax: 67.212
Distance iconSun distance: 48.526 ly | 14.9 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: 15.1 % M Sun
| 158 M Jupiter
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Star mass
Mass of the star LHS 3844 is 0.151 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: 18.9 % R Sun
| 1.9 R Jupiter
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Star size
Radius of the star LHS 3844 is 0.189 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: 3036 K | 0.53 T Sun
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Star temperature
Surface temperature of LHS 3844 is 3036 K, which is 53 % 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: 7.8 billions years | 1.7 Sun
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Star age
Star LHS 3844 is 7.8 billion years old, which is about 1.7 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: 0.00272 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): 15.2
Magnitude iconAbsolute magnitude (V): 14.4
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 3844 system structure

 LHS 3844
LHS 3844 b 0.01 AU 2.3 M⊕ 1.3 R⊕ 0.5 days

More about LHS 3844

Nearby star LHS 3844 is approximately 20 % of the size of Sun and temperature on its surface is around 3036 K (2763 °C), which is about 53 % of Sun's temperature.
       LHS 3844 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 119-213, NLTT 54534, 2MASS J22415815-6910089, TOI 136, LEHPM 5027, LFT 1732, TIC 410153553, Gaia DR2 6385548541499112448, Gaia EDR3 6385548541499112448
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External sources
icon study
icon study
Super-Earth LHS3844b is tidally locked
Scientific study, Accepted: 03. 10. 2023
simbad icon
Simbad database (L 119-213)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 6385548541499112448)
Archive from the Gaia mission
tess icon
TESS database (TOI 136.01)
Archive from the TESS mission

News from this star system

JWST reveals LHS 3844 b has a dark, basalt-like surface with no volcanic gases
Image: JWST reveals LHS 3844 b has a dark, basalt-like surface with no volcanic gases
JWST reveals LHS 3844 b has a dark, basalt-like surface with no volcanic gases. The planet's old, weathered surface offers new clues to rocky exoplanet geology....
6.5.2026
Read article >

Frequently Asked Questions

How far is the LHS 3844 system from the Sun?

The LHS 3844 system is 49 light years or 14.9 parsecs from the Sun.

What galaxy is the LHS 3844 star in?

The LHS 3844 is in the Milky Way galaxy just like the Sun.

How many stars are in the LHS 3844 system?

The LHS 3844 is a single star, there are no other known stars in the system.

What type of star is the LHS 3844?

The star LHS 3844 is a Red dwarf star.

What temperature is star LHS 3844?

The star LHS 3844 has an effective temperature of 3036 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

 HD 218511
 - 2.5 ly

UCAC4 121-169621
 - 4.4 ly

WD 2226-754
 - 5.2 ly

WT 887
 - 6 ly

Gliese 865
 - 6.3 ly
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