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Beta Trianguli Australis
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Star Beta Trianguli Australis

Yellow-White star Beta Trianguli Australis is located 41 light years away from the Sun. It is a single star of spectral class F1V, that has 156 % of solar mass. For now, there are no known exoplanets in this star system.
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Nearby stars catalogue
Sun distance
41 light years

Beta Trianguli Australis

Yellow-White star, High proper motion star
Spectral class: F1V

Location +

Ascension iconRight ascension: 15h 55m 8.115s
Declination iconDeclination: -63° 25' 57.041'' (southern hemisphere)
Parallax iconParallax: 80.485
Distance iconSun distance: 40.524 ly | 12.4 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: 156 % M Sun
| 1634 M Jupiter
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Star mass
Mass of the star Beta Trianguli Australis is 1.56 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: 198 % R Sun
| 19.7 R Jupiter
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Star size
Radius of the star Beta Trianguli Australis is 1.976 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: 7109 K | 1.23 T Sun
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Star temperature
Surface temperature of Beta Trianguli Australis is 7109 K, which is 123 % 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: 0.674 billions years | 0.15 Sun
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Star age
Star Beta Trianguli Australis is 0.674 billion years old, which is about 0.15 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: 9.30 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): 2.9
Magnitude iconAbsolute magnitude (V): 2.4
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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Beta Trianguli Australis system structure

Beta Trianguli Australis

More about Beta Trianguli Australis

Nearby star Beta Trianguli Australis is a main sequence star that fuses hydrogen atoms into helium. It is is approximately 98 % bigger than the Sun and temperature on its surface is around 7109 K (6836 °C), which is about 123 % of Sun's temperature.
       Beta Trianguli Australis can be found in southern celestial hemisphere, and it is possible to see it with naked eye. 
Other designations of this star
β TrA, Bet TrA, CD−63° 1135, FK5 589, Gliese 601, GJ 601, HD 141891, HIC 77952, HIP 77952, HR 5897, SAO 253346, LTT 6339, Gaia EDR3 5826168461855385472
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External sources
simbad icon
Simbad database (* bet TrA)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 5826168461855385472)
Archive from the Gaia mission

Frequently Asked Questions

How far is the Beta Trianguli Australis system from the Sun?

The Beta Trianguli Australis system is 41 light years or 12.4 parsecs from the Sun.

What galaxy is the Beta Trianguli Australis star in?

The Beta Trianguli Australis is in the Milky Way galaxy just like the Sun.

How many stars are in the Beta Trianguli Australis system?

The Beta Trianguli Australis is a single star, there are no other known stars in the system.

What type of star is the Beta Trianguli Australis?

The star Beta Trianguli Australis is a Yellow-White star star.

What temperature is star Beta Trianguli Australis?

The star Beta Trianguli Australis has an effective temperature of 7109 K. Find out more about the temperature of stars in Stellar guide
Closest stars

Zeta Trianguli Australis
1.1 M☉ 5.3 ly

HD 145417
- 6 ly

DENIS J145407.8-660447
- 7.4 ly

Gaia DR2 5825187972369019264
- 8 ly

HD 154577
0.68 M☉ 8 ly
3D map of stellar neighborhood
List of all nearby stars
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