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Gaia-4
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Star Gaia-4

Orange star Gaia-4 is located 241 light years away from the Sun. It is a single star, that has 64 % of solar mass. There is at least one exoplanet in this system.
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Sun distance
241 light years
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Gaia-4

Orange star

Location +

Ascension iconRight ascension: 13h 58m 1.528s
Declination iconDeclination: 31° 41' 43.772'' (northern hemisphere)
Parallax iconParallax: 13.545
Distance iconSun distance: 240.798 ly | 73.8 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: 64.4 % M Sun
| 675 M Jupiter
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Star mass
Mass of the star Gaia-4 is 0.644 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: 62 % R Sun
| 6.2 R Jupiter
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Star size
Radius of the star Gaia-4 is 0.624 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: 4034 K | 0.7 T Sun
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Star temperature
Surface temperature of Gaia-4 is 4034 K, which is 70 % 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
time icon
Age: 6.8 billions years | 1.48 Sun
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Star age
Star Gaia-4 is 6.8 billion years old, which is about 1.48 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: 0.1001 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

Photometry

Magnitude iconApparent magnitude (V): 12.4
Magnitude iconAbsolute magnitude (V): 8.1
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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Gaia-4 system structure

 Gaia-4
Gaia-4 b 0.31 AU 3751.3 M⊕ 571.3 days

More about Gaia-4

Star Gaia-4 is approximately 60 % of the size of Sun and temperature on its surface is around 4034 K (3761 °C), which is about 70 % of Sun's temperature.
       Gaia-4 can be found in northern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope.
Other designations of this star
Gaia-ASOI-47, 2MASS J13580164+3141434, TIC 166669918, Gaia DR3 1457486023639239296
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External sources
icon study
gaia icon
Gaia database (Gaia DR3 1457486023639239296)
Archive from the Gaia mission

Frequently Asked Questions

How far is the Gaia-4 system from the Sun?

The Gaia-4 system is 241 light years or 73.8 parsecs from the Sun.

What galaxy is the Gaia-4 star in?

The Gaia-4 is in the Milky Way galaxy just like the Sun.

How many stars are in the Gaia-4 system?

The Gaia-4 is a single star, there are no other known stars in the system.

What type of star is the Gaia-4?

The star Gaia-4 is a Orange star star.

What temperature is star Gaia-4?

The star Gaia-4 has an effective temperature of 4034 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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