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Xi Geminorum
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Star Xi Geminorum

Subgiant Xi Geminorum is located 60 light years away from the Sun. It is a single star of spectral class F5IV-V, that has 171 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
60 light years
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Xi Geminorum

Subgiant, High proper motion star
Spectral class: F5IV-V

Location +

Ascension iconRight ascension: 6h 45m 17.242s
Declination iconDeclination: 12° 53' 41.075'' (equatorial region)
Parallax iconParallax: 54.189
Distance iconSun distance: 60.188 ly | 18.5 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: 170.6 % M Sun
| 1787 M Jupiter
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Star mass
Mass of the star Xi Geminorum is 1.706 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: 271 % R Sun
| 27 R Jupiter
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Star size
Radius of the star Xi Geminorum is 2.710 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: 6480 K | 1.12 T Sun
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Star temperature
Surface temperature of Xi Geminorum is 6480 K, which is 112 % 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: 1.5 billions years | 0.33 Sun
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Star age
Star Xi Geminorum is 1.5 billion years old, which is about 0.33 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: 11.574 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): 3.4
Magnitude iconAbsolute magnitude (V): 2
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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Xi Geminorum system structure

 Xi Geminorum

More about Xi Geminorum

Nearby star Xi Geminorum is is approximately 3 times bigger than the Sun and temperature on its surface is around 6480 K (6207 °C), which is about 112 % of Sun's temperature.
       Xi Geminorum can be found in northern celestial hemisphere, and it is possible to see it with naked eye. The star is easily observable from Northern America, Europe and Asia.
Other designations of this star
31 Geminorum, HR 2484, HD 48737, BD+13°1396, FK5 256, HIP 32362, SAO 96074, ksi Gem, ksi Geminorum, ξ Gem, Al Zirr, Alzirr, , Gaia DR3 3352485999058854912
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External sources
simbad icon
Simbad database (* ksi Gem)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia DR3 3352485999058854912)
Archive from the Gaia mission

Frequently Asked Questions

How far is the Xi Geminorum system from the Sun?

The Xi Geminorum system is 60 light years or 18.5 parsecs from the Sun.

What galaxy is the Xi Geminorum star in?

The Xi Geminorum is in the Milky Way galaxy just like the Sun.

How many stars are in the Xi Geminorum system?

The Xi Geminorum is a single star, there are no other known stars in the system.

What type of star is the Xi Geminorum?

The star Xi Geminorum is a Subgiant star.

What temperature is star Xi Geminorum?

The star Xi Geminorum has an effective temperature of 6480 K. Find out more about the temperature of stars in Stellar guide
Class of stars Subgiant
A subgiant is a term used to describe a luminous star that is typically running out of hydrogen for nuclear fusion and is thus departing from the main sequence. These stars are classified as Yerkes luminosity class IV.
Closest stars

 G 110-2
 - 3.7 ly

UPM J0641+1226
 - 4.7 ly

2MASS J06431389+1631428
 - 6.5 ly

Gaia DR2 3330473222213987072
 - 7.7 ly

G 108-52
 - 7.7 ly
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