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DS Tucanae
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Star DS Tucanae

Binary star DS Tucanae is located 149 light years away from the Sun. It consists of a yellow star and a orange star. There is at least one exoplanet in this system.
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Sun distance
149 light years
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DS Tucanae A

Yellow star
Spectral class: G6V

Location +

Ascension iconRight ascension: 23h 39m 39.487s
Declination iconDeclination: -69° 11' 44.705'' (southern hemisphere)
Parallax iconParallax: 21.890
Distance iconSun distance: 148.998 ly | 45.7 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: 101 % M Sun
| 1058 M Jupiter
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Star mass
Mass of the star DS Tucanae A is 1.01 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: 96 % R Sun
| 9.6 R Jupiter
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Star size
Radius of the star DS Tucanae A is 0.964 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: 5428 K | 0.94 T Sun
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Star temperature
Surface temperature of DS Tucanae A is 5428 K, which is 94 % 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: 0.045 billions years | 0.01 Sun
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Star age
Star DS Tucanae A is 0.045 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
luminosity icon
Luminosity: 0.725 L Sun
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Star luminosity
Luminosity is the total amount of energy a star gives off every second. Think of it as the star’s true brightness — not just how bright it looks from Earth. This is important because some stars may appear dim simply because they are far away, not because they’re actually faint... icon More about Star luminosity in StellarGuide

Photometry

Magnitude iconApparent magnitude (V): 8.2
Magnitude iconAbsolute magnitude (V): 4.9
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

DS Tucanae B

Orange star
Spectral class: K3V

Basic characteristic

icon weight
Mass: 84 % M Sun
| 880 M Jupiter
+
Star mass
Mass of the star DS Tucanae B is 1.01 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: 86 % R Sun
| 8.6 R Jupiter
+
Star size
Radius of the star DS Tucanae B is 0.864 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: 4700 K | 0.81 T Sun
+
Star temperature
Surface temperature of DS Tucanae B is 4700 K, which is 81 % 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: 0.045 billions years | 0.01 Sun
+
Star age
Star DS Tucanae B is 0.045 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
luminosity icon
Luminosity: 0.327 L Sun
+
Star luminosity
Luminosity is the total amount of energy a star gives off every second. Think of it as the star’s true brightness — not just how bright it looks from Earth. This is important because some stars may appear dim simply because they are far away, not because they’re actually faint... icon More about Star luminosity 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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DS Tucanae system structure

 DS Tucanae A
DS Tucanae A b 0.08 AU 14.4 M⊕ 5.7 R⊕ 8.1 days
DS Tucanae B

More about DS Tucanae

       DS Tucanae can be found in southern celestial hemisphere, you cannot see it with naked eye, but you can observe this star with basic telescope.
Other designations of this star
V* DS Tuc, HD 222259, CCDM J23397-6912AB, CD-69°2106, HIC 116748, HIP 116748, WDS J23397-6912AB, TIC 410214986, TOI 200, SAO 255538
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External sources
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Frequently Asked Questions

How far is the DS Tucanae system from the Sun?

The DS Tucanae system is 149 light years or 45.7 parsecs from the Sun.

What galaxy is the DS Tucanae star in?

The DS Tucanae is in the Milky Way galaxy just like the Sun.

How many stars are in the DS Tucanae system?

The DS Tucanae system contains 2 stars.

What type of star is the DS Tucanae?

The primary in the DS Tucanae system is a Yellow star star.

What temperature is star DS Tucanae?

The primary in the DS Tucanae system has a temperature of 5428 K. Find out more about the temperature of stars in Stellar guide
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