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36 Draconis
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Star 36 Draconis

Binary star 36 Draconis is located 76 light years away from the Sun. It consists of a yellow-white star and a red dwarf. For now, there are no known exoplanets in this star system.
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Sun distance
76 light years
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36 Draconis A

Yellow-White star, High proper motion star
Spectral class: F5V

Location +

Ascension iconRight ascension: 18h 13m 54.713s
Declination iconDeclination: 64° 23' 50.795'' (northern hemisphere)
Parallax iconParallax: 43.184
Distance iconSun distance: 75.528 ly | 23.2 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: 123 % M Sun
| 1289 M Jupiter
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Star mass
Mass of the star 36 Draconis A is 1.23 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: 164 % R Sun
| 16.3 R Jupiter
+
Star size
Radius of the star 36 Draconis A is 1.635 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: 6638 K | 1.15 T Sun
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Star temperature
Surface temperature of 36 Draconis A is 6638 K, which is 115 % 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: 2.95 billions years | 0.64 Sun
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Star age
Star 36 Draconis A is 2.95 billion years old, which is about 0.64 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: 4.66 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): 3.2
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

36 Draconis B

Red dwarf, , High proper motion star
Spectral class: M3

Basic characteristic

icon weight
Mass: 30 % M Sun
| 314.3 M Jupiter
 (estimate)
+
Star mass
The mass of the star 36 Draconis B is unknown. Based on its other characteristics, it is estimated to be about 30 % of the Sun's mass.

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
| 3.2 R Jupiter
(estimate)
+
Star size
Radius of the star 36 Draconis 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 iconTemperature: 3300 K
 (estimate)
+
Star temperature
Surface temperature of 36 Draconis B is estimated to be 3347 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

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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36 Draconis system structure

 36 Draconis A
36 Draconis B

More about 36 Draconis

       36 Draconis 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
36 Dra, BD+64° 1252, FK5 685, GJ 9619, Gliese 9619, HD 168151, HIP 89348, HR 6850, SAO 17828, Gaia EDR3 2161275788716592256
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Frequently Asked Questions

How far is the 36 Draconis system from the Sun?

The 36 Draconis system is 76 light years or 23.2 parsecs from the Sun.

What galaxy is the 36 Draconis star in?

The 36 Draconis is in the Milky Way galaxy just like the Sun.

How many stars are in the 36 Draconis system?

The 36 Draconis system contains 2 stars.

What type of star is the 36 Draconis?

The primary in the 36 Draconis system is a Yellow-White star star.

What temperature is star 36 Draconis?

The primary in the 36 Draconis system has a temperature of 6638 K. Find out more about the temperature of stars in Stellar guide
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Omega Draconis
 1.5 M☉ 7.8 ly
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