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RX Gruis
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Star RX Gruis

Binary star RX Gruis is located 470 light years away from the Sun. It consists of 2 t tauri star stars. For now, there are no known exoplanets in this star system.
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Sun distance
470 light years
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RX Gruis A

T Tauri star

Location +

Ascension iconRight ascension: 22h 58m 16.797s
Declination iconDeclination: -41° 49' 33.965'' (southern hemisphere)
Parallax iconParallax: 6.935
Distance iconSun distance: 470.293 ly | 144.2 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: 100 % M Sun
| 1048 M Jupiter
+
Star mass
Mass of the star RX Gruis A is 1 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: 101 % R Sun
| 10 R Jupiter
+
Star size
Radius of the star RX Gruis A is 1.007 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: 5379 K | 0.93 T Sun
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Star temperature
Surface temperature of RX Gruis A is 5379 K, which is 93 % 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: 0.028 billions years | 0.01 Sun
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Star age
Star RX Gruis A is 0.028 billion years old, which is about 0.01 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

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

RX Gruis B

T Tauri star

Basic characteristic

icon weight
Mass: 98.5 % M Sun
| 1032 M Jupiter
+
Star mass
Mass of the star RX Gruis B is 1 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: 102 % R Sun
| 10.2 R Jupiter
+
Star size
Radius of the star RX Gruis B is 1.024 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: 5322 K | 0.92 T Sun
+
Star temperature
Surface temperature of RX Gruis B is 5322 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: 0.028 billions years | 0.01 Sun
+
Star age
Star RX Gruis B is 0.028 billion years old, which is about 0.01 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

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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RX Gruis system structure

 RX Gruis A
RX Gruis B

More about RX Gruis

       RX Gruis 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
Gaia DR3 6542838829517539328
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External sources
icon study

Frequently Asked Questions

How far is the RX Gruis system from the Sun?

The RX Gruis system is 470 light years or 144.2 parsecs from the Sun.

What galaxy is the RX Gruis star in?

The RX Gruis is in the Milky Way galaxy just like the Sun.

How many stars are in the RX Gruis system?

The RX Gruis system contains 2 stars.

What type of star is the RX Gruis?

The primary in the RX Gruis system is a T Tauri star star.

What temperature is star RX Gruis?

The primary in the RX Gruis system has a temperature of 5379 K. Find out more about the temperature of stars in Stellar guide
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