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Gliese 667 B
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Star Gliese 667 B

Orange star Gliese 667 B is located 24 light years away from the Sun. It is a single flare star of spectral class K5V, that has 69 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
24 light years
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Gliese 667 B

Orange star, flare star
Spectral class: K5V

Basic characteristic

icon weight
Mass: 69 % M Sun
| 723 M Jupiter
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Star mass
Mass of the star Gliese 667 B is 0.69 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: 70 % R Sun
| 7 R Jupiter
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Star size
Radius of the star Gliese 667 B is 0.7 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 iconTemperature: 4400 K
 (estimate)
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Star temperature
Surface temperature of Gliese 667 B is estimated to be 4434 K, which is 76 % 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 iconApparent magnitude (V): 7.2
Magnitude iconAbsolute magnitude (V): 8
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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Gliese 667 B system structure

 Gliese 667 A
Gliese 667 B
Gliese 667 C 230 AU
Gliese 667 C b 0.05 AU 5.7 M⊕ -
Gliese 667 C c 0.13 AU 3.7 M⊕ 1.5 R⊕ -
Gliese 667 C f 0.16 AU 2.7 M⊕ 39 days
Gliese 667 C e 0.21 AU 2.7 M⊕ 62.2 days
Gliese 667 C g 0.55 AU 4.6 M⊕ 256.2 days

More about Gliese 667 B

       Gliese 667 B 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.
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External sources
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Scientific study, Accepted: 29. 12. 2026
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A Spatial Map of the Atmospheric Limb of a Hot Jupiter
Scientific study, Accepted: 14. 10. 2026
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News from this star system

Narrow ring of gas found near the young star HD 152384
iconToday
Image: Narrow ring of gas found near the young star HD 152384
A narrow ring of gas has been characterized around the young star HD 152384. Located at the dust sublimation radius, the ring likely formed from the collisions of rocky planetesimals, offering a new look at early planetary system evolution....
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Atmospheric composition of hot Jupiter KELT-2A b reveals chemical history
iconToday
Image: Atmospheric composition of hot Jupiter KELT-2A b reveals chemical history
New observations of hot Jupiter KELT-2A b confirm water vapor in its atmosphere. The planet shows a carbon-to-oxygen ratio similar to its host star but with overall lower metallicity, suggesting a complex migration history from far out in its star system....
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Periodic transit timing variations measured for Neptune-like planet HAT-P-18 b
iconToday
Image: Periodic transit timing variations measured for Neptune-like planet HAT-P-18 b
New observations from the James Webb Space Telescope show periodic transit timing variations in the Neptune-like planet HAT-P-18 b. The data indicates an orbital timing shift of 92.9 seconds, providing fresh insights into the dynamics of this distant system....
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Frequently Asked Questions

How far is the Gliese 667 B system from the Sun?

The Gliese 667 B system is 24 light years or 7.2 parsecs from the Sun.

What galaxy is the Gliese 667 B star in?

The Gliese 667 B is in the Milky Way galaxy just like the Sun.

How many stars are in the Gliese 667 B system?

The Gliese 667 B is a single star, there are no other known stars in the system.

What type of star is the Gliese 667 B?

The star Gliese 667 B is a Orange star star.

What temperature is the Gliese 667 B?

The primary in the Gliese 667 B system has an effective temperature of K ( °C). Find out more about the temperature of stars in Stellar guide
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