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Kepler-444
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Star Kepler-444

Triple star system Kepler-444 is located 119 light years away from the Sun. It is a system with 3 stars. There are multiple known exoplanets in this system.
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Sun distance
119 light years
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Kepler-444 A

Orange star
Spectral class: K0V

Location +

Ascension iconRight ascension: 19h 19m 0.549s
Declination iconDeclination: 41° 38' 4.582'' (northern hemisphere)
Parallax iconParallax: 27.413
Distance iconSun distance: 118.979 ly | 36.5 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: 75.8 % M Sun
| 794 M Jupiter
+
Star mass
Mass of the star Kepler-444 A is 0.758 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: 75 % R Sun
| 7.5 R Jupiter
+
Star size
Radius of the star Kepler-444 A is 0.752 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: 5046 K | 0.87 T Sun
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Star temperature
Surface temperature of Kepler-444 A is 5046 K, which is 87 % 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: 11 billions years | 2.39 Sun
+
Star age
Star Kepler-444 A is 11 billion years old, which is about 2.39 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): 9
Magnitude iconAbsolute magnitude (V): 6.2
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

Kepler-444 B

Red dwarf

Basic characteristic

icon weight
Mass: 29 % M Sun
| 304 M Jupiter
+
Star mass
Mass of the star Kepler-444 B is 0.758 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: 30 % R Sun
| 3.3 R Jupiter
(estimate)
+
Star size
Radius of the star Kepler-444 B is not known. Its estimated value based on other similar stars is about 30 % 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: 3464 K | 0.6 T Sun
+
Star temperature
Surface temperature of Kepler-444 B is 3464 K, which is 60 % 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

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

Kepler-444 C

Red dwarf

Basic characteristic

icon weight
Mass: 25 % M Sun
| 262 M Jupiter
+
Star mass
Mass of the star Kepler-444 C is 0.29 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: 30 % R Sun
| 2.8 R Jupiter
(estimate)
+
Star size
Radius of the star Kepler-444 C is not known. Its estimated value based on other similar stars is about 30 % 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: 3750 K | 0.65 T Sun
+
Star temperature
Surface temperature of Kepler-444 C is 3750 K, which is 65 % 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

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-444 system structure

Stars B and C form a pair, which orbits the primary star A.
 Kepler-444 A
Kepler-444 A b 0.04 AU 0.4 R⊕ 3.6 days
Kepler-444 A c 0.05 AU 0.5 R⊕ 4.5 days
Kepler-444 A d 0.06 AU 0 M⊕ 0.5 R⊕ 6.2 days
Kepler-444 A e 0.07 AU 0 M⊕ 0.5 R⊕ 7.7 days
Kepler-444 A f 0.08 AU 0.7 R⊕ 9.7 days
Kepler-444 B
Kepler-444 C

More about Kepler-444

       Kepler-444 can be found in northern celestial hemisphere, you cannot see it with naked eye, but you can observe this star with basic telescope. The star is easily observable from Northern America, Europe and Asia.
Other designations of this star
BD+41°3306, WDS J19190+4138, KOI-3158, KIC 6278762, 2MASS J19190052+4138043, Gaia DR2 2101486923385239808, HIP 94931, LHS 3450, TYC 3129-00329-1, 2MASS J19190052+4138043, Gaia DR2 2101486923382009472
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Frequently Asked Questions

How far is the Kepler-444 system from the Sun?

The Kepler-444 system is 119 light years or 36.5 parsecs from the Sun.

What galaxy is the Kepler-444 star in?

The Kepler-444 is in the Milky Way galaxy just like the Sun.

How many stars are in the Kepler-444 system?

The Kepler-444 system contains 3 stars.

What type of star is the Kepler-444?

The primary in the Kepler-444 system is a Orange star star.

What temperature is star Kepler-444?

The primary in the Kepler-444 system has a temperature of 5046 K. Find out more about the temperature of stars in Stellar guide
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