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LSPM J0738+5254
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Star LSPM J0738+5254

Binary star LSPM J0738+5254 is located 153 light years away from the Sun. It consists of a red dwarf and a brown dwarf. For now, there are no known exoplanets in this star system.
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Sun distance
153 light years
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LSPM J0738+5254 A

Red dwarf
Spectral class: M3V

Location +

Ascension iconRight ascension: 7h 38m 32.464s
Declination iconDeclination: 52° 54' 49.407'' (northern hemisphere)
Parallax iconParallax: 21.262
Distance iconSun distance: 153.401 ly | 47.0 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: 26.4 % M Sun
| 277 M Jupiter
+
Star mass
Mass of the star LSPM J0738+5254 A is 0.264 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: 29 % R Sun
| 2.9 R Jupiter
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Star size
Radius of the star LSPM J0738+5254 A is 0.289 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: 3201 K | 0.55 T Sun
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Star temperature
Surface temperature of LSPM J0738+5254 A is 3201 K, which is 55 % 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

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

LSPM J0738+5254 B

Brown dwarf

Location +

Distance iconDistance from the primary: 530 AU

Basic characteristic

icon weight
Mass: 6 % M Sun
| 63 M Jupiter
+
Star mass
Mass of the star LSPM J0738+5254 B is 0.264 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
temperature iconTemperature: 3400 K
 (estimate)
+
Star temperature
Surface temperature of LSPM J0738+5254 B is estimated to be 3433 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

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 J0738+5254 system structure

 LSPM J0738+5254 A
LSPM J0738+5254 B 530 AU

More about LSPM J0738+5254

       LSPM J0738+5254 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
CWISEJ073831.31+525453.7, LP 123-22, Gaia DR3 983677394891682304
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Frequently Asked Questions

How far is the LSPM J0738+5254 system from the Sun?

The LSPM J0738+5254 system is 153 light years or 47.0 parsecs from the Sun.

What galaxy is the LSPM J0738+5254 star in?

The LSPM J0738+5254 is in the Milky Way galaxy just like the Sun.

How many stars are in the LSPM J0738+5254 system?

The LSPM J0738+5254 system contains 2 stars.

What type of star is the LSPM J0738+5254?

The primary in the LSPM J0738+5254 system is a Red dwarf star.

What temperature is star LSPM J0738+5254?

The primary in the LSPM J0738+5254 system has a temperature of 3201 K. Find out more about the temperature of stars in Stellar guide

stellar brief logoStellar Brief

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26. 10. 2026
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A puzzling mass mismatch in the supergiant HD 80077 hints that massive stars may evolve in ways current models cannot fully explain. The latest research also explores how a neutron star’s tilt changes its X-ray light, detects stellar rhythms in infrared observations, and maps cloudy and clear regions on a distant giant planet.
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