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TOI 5375
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Star TOI 5375

Binary star TOI 5375 is located 397 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.
Sun distance
397 light years
galaxy map

TOI 5375 A

Red dwarf

Location +

Ascension iconRight ascension: 7h 35m 8.381s
Declination iconDeclination: 71° 24' 2.431'' (northern hemisphere)
Parallax iconParallax: 8.220
Distance iconSun distance: 396.771 ly | 121.7 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: 62 % M Sun
| 649 M Jupiter
+
Star mass
Mass of the star TOI 5375 A is 0.62 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: 60 % R Sun
| 6.2 R Jupiter
(estimate)
+
Star size
Radius of the star TOI 5375 A is not known. Its estimated value based on other similar stars is about 60 % 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 iconTemperature: 3900 K
 (estimate)
+
Star temperature
Surface temperature of TOI 5375 A is estimated to be 3909 K, which is 67 % 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

TOI 5375 B

Brown dwarf

Basic characteristic

icon weight
Mass: 8 % M Sun
| 84 M Jupiter
+
Star mass
Mass of the star TOI 5375 B is 0.62 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: 3900 K
 (estimate)
+
Star temperature
Surface temperature of TOI 5375 B is estimated to be 3909 K, which is 67 % 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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TOI 5375 system structure

 TOI 5375 A
TOI 5375 B

More about TOI 5375

       TOI 5375 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
Gaia DR3 1110586978339817728
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External sources
icon study

news icon
News from this star system

Aligned orbits found in double M dwarf system and trends across planets, brown dwarfs, and binaries
Image: Aligned orbits found in double M dwarf system and trends across planets, brown dwarfs, and binaries
A double M dwarf system shows strong orbital alignment, similar to trends seen in giant planets and brown dwarfs. Study reveals alignment patterns across a range of stellar and planetary systems....
12.4.2026
Read article >

Frequently Asked Questions stardetail

How far is the TOI 5375 system from the Sun?

The TOI 5375 system is 397 light years or 121.7 parsecs from the Sun.

What galaxy is the TOI 5375 star in?

The TOI 5375 is in the Milky Way galaxy just like the Sun.

How many stars are in the TOI 5375 system?

The TOI 5375 system contains 2 stars.

What type of star is the TOI 5375?

The primary in the TOI 5375 system is a Red dwarf star.

What temperature is the TOI 5375?

The primary in the TOI 5375 system has an effective temperature of K ( °C). Find out more about the temperature of stars in Stellar guide
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