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TOI 451
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Star TOI 451

Orange star TOI 451 is located 403 light years away from the Sun. It is a single star, that has typically about 70 % of solar mass. There are multiple known exoplanets in this system.
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Sun distance
403 light years
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TOI 451

Orange star

Location +

Ascension iconRight ascension: 4h 11m 51.940s
Declination iconDeclination: -37° 56' 23.022'' (southern hemisphere)
Parallax iconParallax: 8.099
Distance iconSun distance: 402.698 ly | 123.5 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: 90 % M Sun
| 900.9 M Jupiter
 (estimate)
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Star mass
The mass of the star TOI 451 is unknown. Based on its other characteristics, it is estimated to be about 90 % of the Sun's mass.

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: 95 % R Sun
| 9.5 R Jupiter
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Star size
Radius of the star TOI 451 is 0.95 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: 5550 K | 0.96 T Sun
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Star temperature
Surface temperature of TOI 451 is 5550 K, which is 96 % 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: 0.125 billions years | 0.03 Sun
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Star age
Star TOI 451 is 0.125 billion years old, which is about 0.03 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): 10.9
Magnitude iconAbsolute magnitude (V): 5.5
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 451 system structure

 TOI 451
TOI 451 b 0.03 AU 1.9 R⊕ 1.9 days
TOI 451 c 0.08 AU 3.1 R⊕ 9.2 days
TOI 451 d 0.13 AU 4.1 R⊕ 16.4 days

More about TOI 451

Star TOI 451 is approximately 100 % of the size of Sun and temperature on its surface is around 5550 K (5277 °C), which is about 96 % of Sun's temperature.
       TOI 451 can be found in southern celestial hemisphere, you cannot see it with naked eye, but you can observe this star with basic telescope. The star is also observable from Northern America, Europe and Asia.
Other designations of this star
Psc Eri, Piscium Eridani, Gaia DR3 4844691297067063424
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External sources
icon study
icon study
icon study
gaia icon
Gaia database (Gaia DR3 4844691297067063424)
Archive from the Gaia mission
tess icon
TESS database (TOI 451.01)
Archive from the TESS mission

Frequently Asked Questions

How far is the TOI 451 system from the Sun?

The TOI 451 system is 403 light years or 123.5 parsecs from the Sun.

What galaxy is the TOI 451 star in?

The TOI 451 is in the Milky Way galaxy just like the Sun.

How many stars are in the TOI 451 system?

The TOI 451 is a single star, there are no other known stars in the system.

What type of star is the TOI 451?

The star TOI 451 is a Orange star star.

What temperature is star TOI 451?

The star TOI 451 has an effective temperature of 5550 K. Find out more about the temperature of stars in Stellar guide
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Estimated values
icon Objects listed in the Stellar Catalog often have values that are estimates. These estimates are determined using their known characteristics, such as spectral type, brightness across different wavelengths, distance from a star, and other factors.
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