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LSPM J0804+1116
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Star LSPM J0804+1116

The TOI-6981 system features a Red dwarf star of spectral type M4. The host star possesses a radius of 0.304 solar radii and a mass of 0.296 solar masses, with a surface temperature of 3215 K. It serves as the host to the sub-Neptune planet TOI-6981 b, which orbits within the cold region of the system corresponding to the water ice line.
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Nearby stars catalogue
Sun distance
83 light years

LSPM J0804+1116

Red dwarf, High proper motion star
Spectral class: M4

Location +

Ascension iconRight ascension: 8h 4m 14.389s
Declination iconDeclination: 11° 16' 0.953'' (equatorial region)
Parallax iconParallax: 39.480
Distance iconSun distance: 82.613 ly | 25.3 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: 29.6 % M Sun
| 310 M Jupiter
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Star mass
Mass of the star LSPM J0804+1116 is 0.296 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: 30 % R Sun
| 3 R Jupiter
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Star size
Radius of the star LSPM J0804+1116 is 0.304 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: 3215 K | 0.56 T Sun
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Star temperature
Surface temperature of LSPM J0804+1116 is 3215 K, which is 56 % 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: 1.5 billions years | 0.33 Sun
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Star age
Star LSPM J0804+1116 is 1.5 billion years old, which is about 0.33 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

Photometry

Magnitude iconApparent magnitude (V): 14.3
Magnitude iconAbsolute magnitude (V): 12.3
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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LSPM J0804+1116 system structure

LSPM J0804+1116
LSPM J0804+1116 b 0.21 AU 6.4 M⊕ 2.4 R⊕ 60.8 days

More about LSPM J0804+1116

Nearby star LSPM J0804+1116 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 3215 K (2942 °C), which is about 56 % of Sun's temperature.
       LSPM J0804+1116 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
TIC 443823169, 2MASS J08041456+1116015, Gaia DR2 3147904852637255424, UCAC4 507-044487, TOI-6981, Gaia EDR3 3147904852637255424
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External sources
icon study
TOI-6981 b: a transiting sub-Neptune at the water ice line
Scientific study, Accepted: 30. 09. 2026
simbad icon
Simbad database (LSPM J0804+1116)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 3147904852637255424)
Archive from the Gaia mission

News from this star system

Cold sub-Neptune TOI-6981 b discovered orbiting near the water ice line
Image: Cold sub-Neptune TOI-6981 b discovered orbiting near the water ice line
TOI-6981 b is a cold sub-Neptune planet discovered orbiting its Red dwarf host star at the water ice line. With a temperature of 170 K and a 60.8-day orbit, it stands as a key target for future atmospheric studies using the James Webb Space Telescope....
30.9.2026
Read article >

Frequently Asked Questions

How far is the LSPM J0804+1116 system from the Sun?

The LSPM J0804+1116 system is 83 light years or 25.3 parsecs from the Sun.

What galaxy is the LSPM J0804+1116 star in?

The LSPM J0804+1116 is in the Milky Way galaxy just like the Sun.

How many stars are in the LSPM J0804+1116 system?

The LSPM J0804+1116 is a single star, there are no other known stars in the system.

What type of star is the LSPM J0804+1116?

The star LSPM J0804+1116 is a Red dwarf star.

What temperature is star LSPM J0804+1116?

The star LSPM J0804+1116 has an effective temperature of 3215 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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