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Beta Caeli
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Star Beta Caeli

Binary star Beta Caeli is located 94 light years away from the Sun. It consists of a subgiant and a . For now, there are no known exoplanets in this star system.
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Sun distance
94 light years
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Beta Caeli A

Subgiant, High proper motion star
Spectral class: F3IV

Location +

Ascension iconRight ascension: 4h 42m 3.540s
Declination iconDeclination: -37° 8' 36.186'' (southern hemisphere)
Parallax iconParallax: 34.609
Distance iconSun distance: 94.241 ly | 28.9 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: 148.2 % M Sun
| 1552 M Jupiter
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Star mass
Mass of the star Beta Caeli A is 1.482 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: 190 % R Sun
| 18.9 R Jupiter
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Star size
Radius of the star Beta Caeli A is 1.902 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: 6665 K | 1.15 T Sun
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Star temperature
Surface temperature of Beta Caeli A is 6665 K, which is 115 % 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
luminosity icon
Luminosity: 6.615 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): 5.1
Magnitude iconAbsolute magnitude (V): 2.7
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

Beta Caeli B

Unknown star type, , High proper motion star

Location +

Distance iconDistance from the primary: 4.6 AU

Basic characteristic

icon weight
Mass: 8 % M Sun
| 84 M Jupiter
+
Star mass
Mass of the star Beta Caeli B is 1.482 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
temperature icon
Temperature: 3593 K | 0.62 T Sun
+
Star temperature
Surface temperature of Beta Caeli B is 3593 K, which is 62 % 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

Magnitude iconAbsolute magnitude (V): -2.3
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 Caeli system structure

 Beta Caeli A
Beta Caeli B 4.6 AU

More about Beta Caeli

       Beta Caeli can be found in southern celestial hemisphere, and it is possible to see it with naked eye. The star is also observable from Northern America, Europe and Asia.
Other designations of this star
bet Cae, β Cae, CD−37° 1867, FK5 1130, GJ 176.1, HD 29992, HIP 21861, HR 1503, SAO 195239, Gaia DR3 4866371879660471808
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Frequently Asked Questions

How far is the Beta Caeli system from the Sun?

The Beta Caeli system is 94 light years or 28.9 parsecs from the Sun.

What galaxy is the Beta Caeli star in?

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

How many stars are in the Beta Caeli system?

The Beta Caeli system contains 2 stars.

What type of star is the Beta Caeli?

The primary in the Beta Caeli system is a Subgiant star.

What temperature is star Beta Caeli?

The primary in the Beta Caeli system has a temperature of 6665 K. Find out more about the temperature of stars in Stellar guide
Closest stars

 SIPS J0445-3642
 - 3.7 ly

HD 29231
 - 4.2 ly

HD 31143
 - 5.3 ly

UPM J0451-3425
 - 5.7 ly

UCAC3 102-10475
 - 6 ly
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