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HD 126105
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Star HD 126105

Red giant HD 126105 is located 268 light years away from the Sun. It is a single star of spectral class K1III-IV, that has 120 % of solar mass. There is at least one exoplanet in this system.
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Sun distance
268 light years
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HD 126105

Red giant
Spectral class: K1III-IV

Location +

Ascension iconRight ascension: 14h 24m 0.405s
Declination iconDeclination: -19° 48' 3.970'' (equatorial region)
Parallax iconParallax: 12.148
Distance iconSun distance: 268.489 ly | 82.3 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: 120 % M Sun
| 1257 M Jupiter
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Star mass
Mass of the star HD 126105 is 1.2 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: 421 % R Sun
| 41.9 R Jupiter
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Star size
Radius of the star HD 126105 is 4.21 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: 4875.0 K | 0.84 T Sun
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Star temperature
Surface temperature of HD 126105 is 4875.0 K, which is 84 % 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: 4.9 billions years | 1.07 Sun
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Star age
Star HD 126105 is 4.9 billion years old, which is about 1.07 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

Photometry

Magnitude iconApparent magnitude (V): 7.3
Magnitude iconAbsolute magnitude (V): 2.8
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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HD 126105 system structure

 HD 126105
HD 126105 b 1.36 AU 530.9 M⊕ 524 days

More about HD 126105

Star HD 126105 is is approximately 4 times bigger than the Sun and temperature on its surface is around 4875.0 K (4602 °C), which is about 84 % of Sun's temperature.
       HD 126105 can be found in southern celestial hemisphere, you cannot see it with naked eye, but you can observe this star with basic telescope. The star is also observable from Northern America, Europe and Asia.
Other designations of this star
HD 126105, HIP 70341, BD-19 3788, SAO 158223, TYC 6137-975-1, Gaia DR3 6283801900128050560
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External sources
icon study
gaia icon
Gaia database (Gaia DR3 6283801900128050560)
Archive from the Gaia mission

Frequently Asked Questions

How far is the HD 126105 system from the Sun?

The HD 126105 system is 268 light years or 82.3 parsecs from the Sun.

What galaxy is the HD 126105 star in?

The HD 126105 is in the Milky Way galaxy just like the Sun.

How many stars are in the HD 126105 system?

The HD 126105 is a single star, there are no other known stars in the system.

What type of star is the HD 126105?

The star HD 126105 is a Red giant star.

What temperature is star HD 126105?

The star HD 126105 has an effective temperature of 4875.0 K. Find out more about the temperature of stars in Stellar guide
Class of stars Red giant
White dwarfs are the hot, extremely dense stellar remnants left behind by stars that originally had masses between about 0.5 and 8 times the mass of the Sun during their main sequence lifetimes. After exhausting their nuclear fuel, these stars shed their outer layers and leave behind a compact core. Although white dwarfs contain between roughly 0.2 and 1.44 solar masses, this mass is packed into a volume comparable to that of an Earth-sized planet, making them some of the densest objects in the Universe.
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