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HD 10307
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Star HD 10307

Binary star HD 10307 is located 48 light years away from the Sun. It consists of a yellow star and a red dwarf. For now, there are no known exoplanets in this star system.
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Sun distance
48 light years
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HD 10307 A

Yellow star, Spectroscopic binary
Spectral class: G1V

Location +

Ascension iconRight ascension: 1h 41m 48.330s
Declination iconDeclination: 42° 36' 45.719'' (northern hemisphere)
Parallax iconParallax: 68.024
Distance iconSun distance: 47.947 ly | 14.7 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: 102 % M Sun
| 1069 M Jupiter
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Star mass
Mass of the star HD 10307 A is 1.02 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: 114 % R Sun
| 11.3 R Jupiter
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Star size
Radius of the star HD 10307 A is 1.14 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: 5878 K | 1.02 T Sun
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Star temperature
Surface temperature of HD 10307 A is 5878 K, which is 102 % 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: 7 billions years | 1.52 Sun
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Star age
Star HD 10307 A is 7 billion years old, which is about 1.52 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: 1.44 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): 5
Magnitude iconAbsolute magnitude (V): 4.1
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

HD 10307 B

Red dwarf, , Spectroscopic binary

Location +

Distance iconDistance from the primary: 5 AU

Basic characteristic

icon weight
Mass: 38 % M Sun
| 398 M Jupiter
+
Star mass
Mass of the star HD 10307 B is 1.02 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: 40 % R Sun
| 4.4 R Jupiter
(estimate)
+
Star size
Radius of the star HD 10307 B is not known. Its estimated value based on other similar stars is about 40 % 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 iconTemperature: 3400 K
 (estimate)
+
Star temperature
Surface temperature of HD 10307 B is estimated to be 3433 K, which is 59 % 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
luminosity icon
Luminosity: 0.0013 L Sun
+
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

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 10307 system structure

 HD 10307 A
HD 10307 B 5 AU

More about HD 10307

       HD 10307 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
BD+41°328, GJ 67, Gliese 67, HD 10307, HIC 7918, HIP 7918, HR 483, SAO 37434, LHS 1284, YPC 350, Gaia EDR3 348515297330773120
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Frequently Asked Questions

How far is the HD 10307 system from the Sun?

The HD 10307 system is 48 light years or 14.7 parsecs from the Sun.

What galaxy is the HD 10307 star in?

The HD 10307 is in the Milky Way galaxy just like the Sun.

How many stars are in the HD 10307 system?

The HD 10307 system contains 2 stars.

What type of star is the HD 10307?

The primary in the HD 10307 system is a Yellow star star.

What temperature is star HD 10307?

The primary in the HD 10307 system has a temperature of 5878 K. Find out more about the temperature of stars in Stellar guide
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