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BD-13 5069
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Star BD-13 5069

Red dwarf BD-13 5069 is located 55 light years away from the Sun. It is a single star of spectral class M1.0V, that has 53 % of solar mass. There is at least one exoplanet in this system.
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Sun distance
55 light years
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BD-13 5069

Red dwarf, High proper motion star
Spectral class: M1.0V

Location +

Ascension iconRight ascension: 18h 40m 57.214s
Declination iconDeclination: -13° 22' 57.335'' (equatorial region)
Parallax iconParallax: 58.841
Distance iconSun distance: 55.430 ly | 17.0 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: 52.7 % M Sun
| 552 M Jupiter
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Star mass
Mass of the star BD-13 5069 is 0.5271 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: 52 % R Sun
| 5.2 R Jupiter
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Star size
Radius of the star BD-13 5069 is 0.52226 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: 3799 K | 0.66 T Sun
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Star temperature
Surface temperature of BD-13 5069 is 3799 K, which is 66 % 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: 0.05118 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): 10.6
Magnitude iconAbsolute magnitude (V): 9.5
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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BD-13 5069 system structure

 BD-13 5069
BD-13 5069 b 0.05 AU 10.8 M⊕ 5.1 days

More about BD-13 5069

Nearby star BD-13 5069 is a main sequence star that fuses hydrogen atoms into helium. It is approximately 50 % of the size of Sun and temperature on its surface is around 3799 K (3526 °C), which is about 66 % of Sun's temperature.
       BD-13 5069 can be found in southern celestial hemisphere, you cannot see it with naked eye, but you can observe this star with basic telescope. The star is also observable from Northern America, Europe and Asia.
Other designations of this star
GJ 724, Gliese 724, Karmn J18409–133, Gaia EDR3 4105386688016878336
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External sources
icon study
simbad icon
Simbad database (BD-13 5069)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 4105386688016878336)
Archive from the Gaia mission

Frequently Asked Questions

How far is the BD-13 5069 system from the Sun?

The BD-13 5069 system is 55 light years or 17.0 parsecs from the Sun.

What galaxy is the BD-13 5069 star in?

The BD-13 5069 is in the Milky Way galaxy just like the Sun.

How many stars are in the BD-13 5069 system?

The BD-13 5069 is a single star, there are no other known stars in the system.

What type of star is the BD-13 5069?

The star BD-13 5069 is a Red dwarf star.

What temperature is star BD-13 5069?

The star BD-13 5069 has an effective temperature of 3799 K. Find out more about the temperature of stars in Stellar guide
Class of stars Red dwarf
Red dwarfs are small, cool stars with surface temperatures of about 2,000–3,800 K, much cooler than the Sun. They usually have 8–50% of the Sun’s mass and shine very faintly, sometimes at just a tiny fraction of the Sun’s brightness. Classified mainly as spectral type M, they are the most common stars in the Milky Way, making up roughly 70–75% of its stellar population.

They fuse hydrogen slowly through the proton–proton chain and are fully convective, which allows them to use their fuel very efficiently. As a result, red dwarfs can live for tens of billions to trillions of years—far longer than the Sun. Many exoplanets orbit red dwarfs, including some in close habitable zones, though strong stellar activity can affect planetary environments.
Closest stars

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Gaia EDR3 4157433101660374656
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