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CFBDSIR J1458+10
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Star CFBDSIR J1458+10

Binary star CFBDSIR J1458+10 is located 104 light years away from the Sun. It consists of a brown dwarf and a sub-brown dwarf. For now, there are no known exoplanets in this star system.
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Sun distance
104 light years
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CFBDSIR J1458+10 A

Brown dwarf
Spectral class: T9

Location +

Ascension iconRight ascension: 14h 58m 29.405s
Declination iconDeclination: 10° 13' 41.711'' (equatorial region)
Parallax iconParallax: 31.300
Distance iconSun distance: 104.203 ly | 31.9 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: 2.1 % M Sun
| 22 M Jupiter
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Star mass
Mass of the star CFBDSIR J1458+10 A is 0.021 solar masses (or 22 Jupiter 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: 1.5 % R Sun
| 0.1 R Jupiter
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Star size
Radius of the star CFBDSIR J1458+10 A is 0.015 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: 500 K | 0.09 T Sun
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Star temperature
Surface temperature of CFBDSIR J1458+10 A is 500 K, which is 9 % 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

CFBDSIR J1458+10 B

Sub-brown dwarf
Spectral class: Y0

Location +

Distance iconDistance from the primary: 4.06 AU

Basic characteristic

icon weight
Mass: 0.9 % M Sun
| 9 M Jupiter
+
Star mass
Mass of the star CFBDSIR J1458+10 B is 0.021 solar masses (or 22 Jupiter 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: 1.3 % R Sun
| 0.1 R Jupiter
+
Star size
Radius of the star CFBDSIR J1458+10 B is 0.013 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: 370 K | 0.06 T Sun
+
Star temperature
Surface temperature of CFBDSIR J1458+10 B is 370 K, which is 6 % 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
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CFBDSIR J1458+10 system structure

 CFBDSIR J1458+10 A
CFBDSIR J1458+10 B 4.06 AU

More about CFBDSIR J1458+10

       CFBDSIR J1458+10 can be found in northern celestial hemisphere.
Other designations of this star
CFBDSIR J145829+101343, CFBDSIR J1458+1013, CFBDS 1458, CFBDS J145829+101343, WISEPA J145829.35+101341.8, WISE J145829.40+101341.7, LIM 5, WDS J14585+1024AB
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Frequently Asked Questions

How far is the CFBDSIR J1458+10 system from the Sun?

The CFBDSIR J1458+10 system is 104 light years or 31.9 parsecs from the Sun.

What galaxy is the CFBDSIR J1458+10 star in?

The CFBDSIR J1458+10 is in the Milky Way galaxy just like the Sun.

How many stars are in the CFBDSIR J1458+10 system?

The CFBDSIR J1458+10 system contains 2 stars.

What type of star is the CFBDSIR J1458+10?

The primary in the CFBDSIR J1458+10 system is a Brown dwarf star.

What temperature is star CFBDSIR J1458+10?

The primary in the CFBDSIR J1458+10 system has a temperature of 500 K. Find out more about the temperature of stars in Stellar guide

stellar brief logoStellar Brief

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24. 10. 2026
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A planet’s helium atmosphere streams ahead of its orbit, while infrared observations reveal the hidden rhythms of its star. New work also shows how neutron-star tilt can reshape X-ray light, traces the past of massive blue supergiants, and maps cloudy and clear zones on the hot Jupiter WASP-43 b.
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