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TOI 431
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Star TOI 431

Orange star TOI 431 is located 106 light years away from the Sun. It is a single star of spectral class K3+Vk: C, that has 78 % of solar mass. There are multiple known exoplanets in this system.
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Sun distance
106 light years
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TOI 431

Orange star, High proper motion star
Spectral class: K3+Vk: C

Location +

Ascension iconRight ascension: 5h 33m 4.601s
Declination iconDeclination: -26° 43' 28.268'' (southern hemisphere)
Parallax iconParallax: 30.675
Distance iconSun distance: 106.325 ly | 32.6 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: 78 % M Sun
| 817 M Jupiter
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Star mass
Mass of the star TOI 431 is 0.78 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: 73 % R Sun
| 7.3 R Jupiter
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Star size
Radius of the star TOI 431 is 0.731 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: 4850 K | 0.84 T Sun
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Star temperature
Surface temperature of TOI 431 is 4850 K, which is 84 % 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): 9.1
Magnitude iconAbsolute magnitude (V): 6.6
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 431 system structure

 TOI 431
TOI 431 b 0.01 AU 3.1 M⊕ 1.3 R⊕ 0.5 days
TOI 431 c 0.05 AU 902.9 M⊕ 4.8 days
TOI 431 d 0.1 AU 9.9 M⊕ 3.3 R⊕ 12.5 days

More about TOI 431

Star TOI 431 is a main sequence star that fuses hydrogen atoms into helium. It is approximately 70 % of the size of Sun and temperature on its surface is around 4850 K (4577 °C), which is about 84 % of Sun's temperature.
       TOI 431 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
CD-26 2288, HIC 26013, HIP 26013, 2MASS J05330459-2643286, SAO 170544, TIC 31374837, TYC 6484-1486-1, UGP 120, TOI-431
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External sources
icon study
icon study
icon study
icon study
The XUV-driven escape of the planets around TOI-431 & ν2 Lupi
Scientific study, Accepted: 16. 04. 2024
simbad icon
Simbad database (CD-26 2288)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
tess icon
TESS database (TOI 431.01)
Archive from the TESS mission

Frequently Asked Questions

How far is the TOI 431 system from the Sun?

The TOI 431 system is 106 light years or 32.6 parsecs from the Sun.

What galaxy is the TOI 431 star in?

The TOI 431 is in the Milky Way galaxy just like the Sun.

How many stars are in the TOI 431 system?

The TOI 431 is a single star, there are no other known stars in the system.

What type of star is the TOI 431?

The star TOI 431 is a Orange star star.

What temperature is star TOI 431?

The star TOI 431 has an effective temperature of 4850 K. Find out more about the temperature of stars in Stellar guide
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