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TIC 934489 B
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Star TIC 934489 B

Brown dwarf TIC 934489 B is located 1722 light years away from the Sun. It is a single star, that has 2 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
1722 light years
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TIC 934489 B

Brown dwarf

Location +

Distance iconDistance from the primary: 0.0815 AU

Basic characteristic

icon weight
Mass: 1.85 % M Sun
| 19 M Jupiter
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Star mass
Mass of the star TIC 934489 B is 0.0185 solar masses (or 19.4 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: 8.4 % R Sun
| 0.8 R Jupiter
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Star size
Radius of the star TIC 934489 B is 0.084227 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: 923 K | 0.16 T Sun
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Star temperature
Surface temperature of TIC 934489 B is 923 K, which is 16 % 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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TIC 934489 B system structure

 TIC 934489
TIC 934489 B 0.0815 AU

More about TIC 934489 B

TIC 934489 B is is is much smaller than the Sun and temperature on its surface is around 923 K (650 °C), which is about 16 % of Sun's temperature.
       TIC 934489 B can be found in southern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope.
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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

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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Orbital and atmospheric evolution of the mini-Neptune TOI-2257 b
iconToday
Image: Orbital and atmospheric evolution of the mini-Neptune TOI-2257 b
The exoplanet TOI-2257 b orbits its star once every 35 days with a high eccentricity. New models suggest its atmospheric and orbital fate depends on whether it is a gas-rich mini-Neptune or a rocky super-Earth. Higher eccentricity would confirm a gaseous nature....
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Frequently Asked Questions

How far is the TIC 934489 B system from the Sun?

The TIC 934489 B system is 1722 light years or 528.1 parsecs from the Sun.

What galaxy is the TIC 934489 B star in?

The TIC 934489 B is in the Milky Way galaxy just like the Sun.

How many stars are in the TIC 934489 B system?

The TIC 934489 B is a single star, there are no other known stars in the system.

What type of star is the TIC 934489 B?

The star TIC 934489 B is a Brown dwarf star.

What temperature is star TIC 934489 B?

The star TIC 934489 B has an effective temperature of 923 K. Find out more about the temperature of stars in Stellar guide
Class of stars Brown dwarf
Brown dwarfs are not really stars, because there is no thermonuclear fusion in their core. These objects are smaller and cooler than stars, but too massive to be considered planets.
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