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GG Tauri Ab
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Star GG Tauri Ab

T Tauri star GG Tauri Ab is located 380 light years away from the Sun. It is a single star of spectral class M0.5, that has typically about 100 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
380 light years
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GG Tauri Ab

T Tauri star
Spectral class: M0.5

Basic characteristic

temperature icon
Temperature: 3300 K | 0.57 T Sun
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Star temperature
Surface temperature of GG Tauri Ab is 3300 K, which is 57 % 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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Age: 0.0015 billions years | 0 Sun
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Star age
Star GG Tauri Ab is 0.0015 billion years old, which is about 0 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: 0.133 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
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GG Tauri Ab system structure

 GG Tauri Aa
GG Tauri Ab
GG Tauri Ac
GG Tauri Ba
GG Tauri Bb

More about GG Tauri Ab

Temperature on its surface is around 3300 K (3027 °C), which is about 57 % of Sun's temperature.
       GG Tauri Ab can be found in northern celestial hemisphere.
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External sources
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Scientific study, Accepted: 29. 12. 2026
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A Sample of Thick-Disk Stars Hosting Hot Jupiters
Scientific study, Accepted: 16. 10. 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

WASP-33 b and other hot Jupiters identified as prime targets for structural studies
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Image: WASP-33 b and other hot Jupiters identified as prime targets for structural studies
WASP-33 b, WASP-76 b, and HAT-P-32 b are identified as the best candidates for studying how stellar gravity shapes exoplanet interiors. Measuring their physical deformation will help reveal their deep, internal density structures using JWST and Ariel data....
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Atmospheric structure of WASP-94 A b revealed through new limb asymmetry method
iconToday
Image: Atmospheric structure of WASP-94 A b revealed through new limb asymmetry method
A new analysis of WASP-94 A b reveals a 415 K temperature difference between its morning and evening sides. The evening atmosphere shows signs of H2O, CO2, CO, and H2S, while the morning side remains obscured by aerosols....
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Thick-disk stars identified as hosts to ancient hot jupiter planets
iconToday
Image: Thick-disk stars identified as hosts to ancient hot jupiter planets
New analysis of 268 stars identifies several hot Jupiters orbiting ancient stars in the Milky Way's thick disk. These systems, over 8 billion years old, show distinct differences in mass and orbital periods compared to younger thin-disk populations....
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Frequently Asked Questions

How far is the GG Tauri Ab system from the Sun?

The GG Tauri Ab system is 380 light years or 116.4 parsecs from the Sun.

What galaxy is the GG Tauri Ab star in?

The GG Tauri Ab is in the Milky Way galaxy just like the Sun.

How many stars are in the GG Tauri Ab system?

The GG Tauri Ab is a single star, there are no other known stars in the system.

What type of star is the GG Tauri Ab?

The star GG Tauri Ab is a T Tauri star star.

What temperature is star GG Tauri Ab?

The star GG Tauri Ab has an effective temperature of 3300 K. Find out more about the temperature of stars in Stellar guide
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