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HR 9038 Ab
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Star HR 9038 Ab

Orange star HR 9038 Ab is located 36 light years away from the Sun. It is a single star of spectral class K3V, that has 67 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
36 light years
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HR 9038 Ab

Orange star
Spectral class: K3V

Basic characteristic

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Mass: 67 % M Sun
| 702 M Jupiter
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Star mass
Mass of the star HR 9038 Ab is 0.67 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: 66 % R Sun
| 6.6 R Jupiter
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Star size
Radius of the star HR 9038 Ab is 0.66 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: 4620 K | 0.8 T Sun
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Star temperature
Surface temperature of HR 9038 Ab is 4620 K, which is 80 % 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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HR 9038 Ab system structure

 HR 9038 Ab
HR 9038 B
HR 9038 Aa

More about HR 9038 Ab

HR 9038 Ab is approximately 70 % of the size of Sun and temperature on its surface is around 4620 K (4347 °C), which is about 80 % of Sun's temperature.
       HR 9038 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 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
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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
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Image: Atmospheric composition of hot Jupiter KELT-2A b reveals chemical history
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Periodic transit timing variations measured for Neptune-like planet HAT-P-18 b
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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 HR 9038 Ab system from the Sun?

The HR 9038 Ab system is 36 light years or 10.9 parsecs from the Sun.

What galaxy is the HR 9038 Ab star in?

The HR 9038 Ab is in the Milky Way galaxy just like the Sun.

How many stars are in the HR 9038 Ab system?

The HR 9038 Ab is a single star, there are no other known stars in the system.

What type of star is the HR 9038 Ab?

The star HR 9038 Ab is a Orange star star.

What temperature is star HR 9038 Ab?

The star HR 9038 Ab has an effective temperature of 4620 K. Find out more about the temperature of stars in Stellar guide
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