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LHS 1478
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Star LHS 1478

Red dwarf LHS 1478 is located 59 light years away from the Sun. It is a single star of spectral class M3.5V, that has 24 % of solar mass. There is at least one exoplanet in this system.
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Sun distance
59 light years
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LHS 1478

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

Location +

Ascension iconRight ascension: 2h 57m 21.432s
Declination iconDeclination: 76° 33' 4.856'' (northern hemisphere)
Parallax iconParallax: 54.904
Distance iconSun distance: 59.405 ly | 18.2 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: 23.6 % M Sun
| 247 M Jupiter
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Star mass
Mass of the star LHS 1478 is 0.236 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: 25 % R Sun
| 2.4 R Jupiter
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Star size
Radius of the star LHS 1478 is 0.246 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: 3381 K | 0.59 T Sun
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Star temperature
Surface temperature of LHS 1478 is 3381 K, which is 59 % 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): 13.3
Magnitude iconAbsolute magnitude (V): 12
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 1478 system structure

 LHS 1478
LHS 1478 b 0.02 AU 2.3 M⊕ 1.2 R⊕ -

More about LHS 1478

Nearby star LHS 1478 is a main sequence star that fuses hydrogen atoms into helium. It is approximately 20 % of the size of Sun and temperature on its surface is around 3381 K (3108 °C), which is about 59 % of Sun's temperature.
       LHS 1478 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
G 245-61, TOI-1640, LP 14-53, 2MASS J02571820+7633113, NLTT 9256, TIC 396562848, WISEA J025720.32+763307.0, Gaia DR3 549007291282705024
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External sources
icon study
Hot Rocks Survey I : A shallow eclipse for LHS 1478 b
Scientific study, Accepted: 14. 10. 2024
simbad icon
Simbad database (G 245-61)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia DR3 549007291282705024)
Archive from the Gaia mission
tess icon
TESS database (TOI 1640.01)
Archive from the TESS mission

Frequently Asked Questions

How far is the LHS 1478 system from the Sun?

The LHS 1478 system is 59 light years or 18.2 parsecs from the Sun.

What galaxy is the LHS 1478 star in?

The LHS 1478 is in the Milky Way galaxy just like the Sun.

How many stars are in the LHS 1478 system?

The LHS 1478 is a single star, there are no other known stars in the system.

What type of star is the LHS 1478?

The star LHS 1478 is a Red dwarf star.

What temperature is star LHS 1478?

The star LHS 1478 has an effective temperature of 3381 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 7924
 0.81 M☉ 6.8 ly

G 248-19
 - 7 ly

LDS 1589
 - 7.3 ly

HD 24451
 - 7.5 ly

LP 31-302
 - 7.5 ly
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