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S Coronae Australis
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Star S Coronae Australis

Binary star S Coronae Australis is located 524 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
524 light years
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S Coronae Australis A

T Tauri star
Spectral class: G0Ve

Location +

Ascension iconRight ascension: 19h 1m 8.603s
Declination iconDeclination: -36° 57' 20.161'' (southern hemisphere)
Parallax iconParallax: 6.229
Distance iconSun distance: 523.600 ly | 160.5 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: 110 % M Sun
| 1152.3 M Jupiter
 (estimate)
+
Star mass
The mass of the star S Coronae Australis A is unknown. Based on its other characteristics, it is estimated to be about 110 % 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: 120 % R Sun
| 12.2 R Jupiter
(estimate)
+
Star size
Radius of the star S Coronae Australis A is not known. Its estimated value based on other similar stars is about 120 % 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 iconTemperature: 6000 K
 (estimate)
+
Star temperature
Surface temperature of S Coronae Australis A is estimated to be 5966 K, which is 104 % 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

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

S Coronae Australis B

T Tauri star
Spectral class: K0Ve

Basic characteristic

icon weight
Mass: 90 % M Sun
| 900.9 M Jupiter
 (estimate)
+
Star mass
The mass of the star S Coronae Australis B 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: 90 % R Sun
| 8.5 R Jupiter
(estimate)
+
Star size
Radius of the star S Coronae Australis B is not known. Its estimated value based on other similar stars is about 90 % 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 iconTemperature: 5300 K
 (estimate)
+
Star temperature
Surface temperature of S Coronae Australis B is estimated to be 5257 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

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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S Coronae Australis system structure

 S Coronae Australis A
S Coronae Australis B

More about S Coronae Australis

       S Coronae Australis can be found in southern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope.
Other designations of this star
S CrA, S Coronae Australis, HH 82, Gaia DR3 6731210253964165632
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External sources
gaia icon
Gaia database (Gaia DR3 6731210258265107584)
Archive from the Gaia mission

Frequently Asked Questions

How far is the S Coronae Australis system from the Sun?

The S Coronae Australis system is 524 light years or 160.5 parsecs from the Sun.

What galaxy is the S Coronae Australis star in?

The S Coronae Australis is in the Milky Way galaxy just like the Sun.

How many stars are in the S Coronae Australis system?

The S Coronae Australis system contains 2 stars.

What type of star is the S Coronae Australis?

The primary in the S Coronae Australis system is a T Tauri star star.

What temperature is the S Coronae Australis?

The primary in the S Coronae Australis system has an effective temperature of K ( °C). Find out more about the temperature of stars in Stellar guide
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