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Beta Columbae
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Star Beta Columbae

Red giant Beta Columbae is located 88 light years away from the Sun. It is a single star of spectral class K1III_CN+1, that has 110 % of solar mass. For now, there are no known exoplanets in this star system.
Sun distance
88 light years
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Beta Columbae

Red giant, High proper motion star
Spectral class: K1III_CN+1

Location +

Ascension iconRight ascension: 5h 50m 57.673s
Declination iconDeclination: -35° 45' 59.441'' (southern hemisphere)
Parallax iconParallax: 36.904
Distance iconSun distance: 88.38 ly | 27.1 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 M Jupiter
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Star mass
Mass of the star Beta Columbae is 1.10 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: 1150 % R Sun
| 114.4 R Jupiter
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Star size
Radius of the star Beta Columbae is 11.5 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: 4545 K | 0.79 T Sun
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Star temperature
Surface temperature of Beta Columbae is 4545 K, which is 79 % 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: 2 billions years | 0.43 Sun
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Star age
Star Beta Columbae is 2 billion years old, which is about 0.43 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: 56 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): 3.1
Magnitude iconAbsolute magnitude (V): 1
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
More about Beta Columbae
Nearby star Beta Columbae is is approximately 12 times bigger than the Sun and temperature on its surface is around 4545 K (4272 °C), which is about 79 % of Sun's temperature.
       Beta Columbae 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
β Col, bet Col, Beta Columbae, Beta Col, CD−35 2546, CPD−35 752, FK5 223, GC 7364, HD 39425, HIP 27628, HR 2040, LTT 2392, NLTT 15724, PPM 281952, SAO 196240, Gaia DR3 2887731882922767744
External sources
simbad icon
Simbad database (* bet Col)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia DR3 2887731882922767744)
Archive from the Gaia mission
Closest stars

 WT 2443
 - 1.7 ly

WT 2438
 - 3.2 ly

2MASS J06012540-3225168
 - 6.2 ly

[FS2003] 0325
 - 6.3 ly

PM J05408-3323
 - 6.5 ly
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