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FO Tauri
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Star FO Tauri

Binary star FO Tauri is located 444 light years away from the Sun. It consists of 2 red dwarf stars. For now, there are no known exoplanets in this star system.
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Sun distance
444 light years
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FO Tauri A

Red dwarf
Spectral class: M3.5

Location +

Ascension iconRight ascension: 4h 14m 49.300s
Declination iconDeclination: 28° 12' 30.122'' (northern hemisphere)
Parallax iconParallax: 7.346
Distance iconSun distance: 443.981 ly | 136.1 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: 35 % M Sun
| 367 M Jupiter
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Star mass
Mass of the star FO Tauri A is 0.35 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: 148 % R Sun
| 14.7 R Jupiter
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Star size
Radius of the star FO Tauri A is 1.48 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: 3475 K | 0.6 T Sun
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Star temperature
Surface temperature of FO Tauri A is 3475 K, which is 60 % 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
luminosity icon
Luminosity: 0.25 L Sun
+
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

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

FO Tauri B

Red dwarf
Spectral class: M3.5

Location +

Distance iconDistance from the primary: 22 AU

Basic characteristic

icon weight
Mass: 34 % M Sun
| 356 M Jupiter
+
Star mass
Mass of the star FO Tauri B is 0.35 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: 142 % R Sun
| 14.1 R Jupiter
+
Star size
Radius of the star FO Tauri B is 1.42 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: 3450 K | 0.6 T Sun
+
Star temperature
Surface temperature of FO Tauri B is 3450 K, which is 60 % 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
luminosity icon
Luminosity: 0.24 L Sun
+
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

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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FO Tauri system structure

 FO Tauri A
FO Tauri B 22 AU

More about FO Tauri

       FO Tauri 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
2MASS 04144928+2812305, TIC 56627416, Gaia DR3 163183644576299264
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External sources
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Frequently Asked Questions

How far is the FO Tauri system from the Sun?

The FO Tauri system is 444 light years or 136.1 parsecs from the Sun.

What galaxy is the FO Tauri star in?

The FO Tauri is in the Milky Way galaxy just like the Sun.

How many stars are in the FO Tauri system?

The FO Tauri system contains 2 stars.

What type of star is the FO Tauri?

The primary in the FO Tauri system is a Red dwarf star.

What temperature is star FO Tauri?

The primary in the FO Tauri system has a temperature of 3475 K. Find out more about the temperature of stars in Stellar guide
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