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Kepler-16
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Star Kepler-16

Binary star Kepler-16 is located 245 light years away from the Sun. It consists of a orange star and a red dwarf. There is at least one exoplanet in this system.
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Sun distance
245 light years
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Kepler-16 A

Orange star
Spectral class: K7V C

Location +

Ascension iconRight ascension: 19h 16m 18.179s
Declination iconDeclination: 51° 45' 26.778'' (northern hemisphere)
Parallax iconParallax: 13.289
Distance iconSun distance: 245.428 ly | 75.2 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: 69 % M Sun
| 723 M Jupiter
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Star mass
Mass of the star Kepler-16 A is 0.6897 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: 65 % R Sun
| 6.5 R Jupiter
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Star size
Radius of the star Kepler-16 A is 0.6489 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: 4450 K | 0.77 T Sun
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Star temperature
Surface temperature of Kepler-16 A is 4450 K, which is 77 % 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: 0.148 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

Magnitude iconAbsolute magnitude (V): -4.4
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

Kepler-16 B

Red dwarf
Spectral class: M

Location +

Distance iconDistance from the primary: 0.22 AU

Basic characteristic

icon weight
Mass: 20.3 % M Sun
| 212 M Jupiter
+
Star mass
Mass of the star Kepler-16 B is 0.6897 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: 23 % R Sun
| 2.3 R Jupiter
+
Star size
Radius of the star Kepler-16 B is 0.22623 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: 3311 K | 0.57 T Sun
+
Star temperature
Surface temperature of Kepler-16 B is 3311 K, which is 57 % 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: 0.0057 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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Kepler-16 system structure

 Kepler-16 A
Kepler-16 A b 0.7 AU 99.5 M⊕ 8.4 R⊕ 228.8 days
Kepler-16 B 0.22 AU

More about Kepler-16

       Kepler-16 can be found in northern celestial hemisphere.
Other designations of this star
KIC 12644769, KOI-1611, 2MASS J19161817+5145267, TIC 299096355, Gaia DR2 2133476355197071616
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External sources
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Frequently Asked Questions

How far is the Kepler-16 system from the Sun?

The Kepler-16 system is 245 light years or 75.2 parsecs from the Sun.

What galaxy is the Kepler-16 star in?

The Kepler-16 is in the Milky Way galaxy just like the Sun.

How many stars are in the Kepler-16 system?

The Kepler-16 system contains 2 stars.

What type of star is the Kepler-16?

The primary in the Kepler-16 system is a Orange star star.

What temperature is star Kepler-16?

The primary in the Kepler-16 system has a temperature of 4450 K. Find out more about the temperature of stars in Stellar guide
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