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TOI 561
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Star TOI 561

Orange star TOI 561 is located 276 light years away from the Sun. It is a single star, that has 81 % of solar mass. There are multiple known exoplanets in this system.
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Sun distance
276 light years
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TOI 561

Orange star

Location +

Ascension iconRight ascension: 9h 52m 44.556s
Declination iconDeclination: 6° 12' 58.921'' (equatorial region)
Parallax iconParallax: 11.834
Distance iconSun distance: 275.605 ly | 84.5 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: 80.5 % M Sun
| 843 M Jupiter
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Star mass
Mass of the star TOI 561 is 0.805 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: 83 % R Sun
| 8.3 R Jupiter
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Star size
Radius of the star TOI 561 is 0.832 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: 5326 K | 0.92 T Sun
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Star temperature
Surface temperature of TOI 561 is 5326 K, which is 92 % 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: 10 billions years | 2.17 Sun
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Star age
Star TOI 561 is 10 billion years old, which is about 2.17 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): 10.2
Magnitude iconAbsolute magnitude (V): 5.6
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 561 system structure

 TOI 561
TOI 561 b 0.01 AU 2.2 M⊕ 1.4 R⊕ 0.4 days
TOI 561 c 0.09 AU 6.6 M⊕ 2.9 R⊕ 10.8 days
TOI 561 d 0.16 AU 12.2 M⊕ 2.8 R⊕ 25.7 days
TOI 561 e 0.33 AU 13.6 M⊕ 2.6 R⊕ 77 days

More about TOI 561

Star TOI 561 is approximately 80 % of the size of Sun and temperature on its surface is around 5326 K (5053 °C), which is about 92 % of Sun's temperature.
       TOI 561 can be found in northern celestial hemisphere, you cannot see it with naked eye, but you can observe this star with basic telescope. The star is easily observable from Northern America, Europe and Asia.
Other designations of this star
TIC 377064495, 2MASS J09524454+0612589, TYC 243-1528-1, WISE J095244.47+061258.2, UCAC4 482-047857, GSC 00243-01528
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External sources
icon study
icon study
icon study
icon study
Architecture of TOI-561 planetary system
Scientific study, Accepted: 23. 10. 2024
icon study
Thermal Evolution of Lava Planets
Scientific study, Accepted: 17. 09. 2024
icon study
icon study
icon study
tess icon
TESS database (TOI 561.01)
Archive from the TESS mission

Frequently Asked Questions

How far is the TOI 561 system from the Sun?

The TOI 561 system is 276 light years or 84.5 parsecs from the Sun.

What galaxy is the TOI 561 star in?

The TOI 561 is in the Milky Way galaxy just like the Sun.

How many stars are in the TOI 561 system?

The TOI 561 is a single star, there are no other known stars in the system.

What type of star is the TOI 561?

The star TOI 561 is a Orange star star.

What temperature is star TOI 561?

The star TOI 561 has an effective temperature of 5326 K. Find out more about the temperature of stars in Stellar guide
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