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CE Bootis
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Star CE Bootis

Triple star system CE Bootis is located 32 light years away from the Sun. It is a system with 3 stars. For now, there are no known exoplanets in this star system.
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Sun distance
32 light years
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CE Bootis A

Red dwarf, flare star
Spectral class: M2.5 V

Location +

Ascension iconRight ascension: 14h 54m 29.551s
Declination iconDeclination: 16° 6' 1.911'' (equatorial region)
Parallax iconParallax: 100.524
Distance iconSun distance: 32.445 ly | 9.9 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: 35 % M Sun
| 367 M Jupiter
+
Star mass
Mass of the star CE Bootis A is 0.35 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: 50 % R Sun
| 5 R Jupiter
+
Star size
Radius of the star CE Bootis A is 0.5 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: 3649 K | 0.63 T Sun
+
Star temperature
Surface temperature of CE Bootis A is 3649 K, which is 63 % 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: 0.007 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 iconApparent magnitude (V): 10.2
Magnitude iconAbsolute magnitude (V): 10.2
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

CE Bootis B

Brown dwarf, flare star, Spectroscopic binary
Spectral class: M8.5

Basic characteristic

icon weight
Mass: 7 % M Sun
| 73 M Jupiter
+
Star mass
Mass of the star CE Bootis B is 0.35 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: 10 % R Sun
| 1 R Jupiter
(estimate)
+
Star size
Radius of the star CE Bootis B is not known. Its estimated value based on other similar stars is about 10 % 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: 2400 K
 (estimate)
+
Star temperature
Surface temperature of CE Bootis B is estimated to be 2400 K, which is 42 % 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

CE Bootis C

Brown dwarf, flare star, , Spectroscopic binary
Spectral class: M9

Basic characteristic

icon weight
Mass: 6 % M Sun
| 63 M Jupiter
+
Star mass
Mass of the star CE Bootis C is 0.07 solar masses (or 73.3 Jupiter 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: 17 % R Sun
| 1.7 R Jupiter
+
Star size
Radius of the star CE Bootis C is 0.17 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: 2400 K | 0.42 T Sun
+
Star temperature
Surface temperature of CE Bootis C is 2400 K, which is 42 % 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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CE Bootis system structure

Stars B and C form a pair, which orbits the primary star A.
 CE Bootis A
CE Bootis B
CE Bootis C

More about CE Bootis

       CE Bootis 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
GJ 569 Bb, BD+16 2708B, Gliese 569, HIC 72944, HIP 72944, G 136-28, BD+16 2708, FRT 1, V* CE Boo, GJ 569, Gaia EDR3 1187851653287128576
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External sources
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Frequently Asked Questions

How far is the CE Bootis system from the Sun?

The CE Bootis system is 32 light years or 9.9 parsecs from the Sun.

What galaxy is the CE Bootis star in?

The CE Bootis is in the Milky Way galaxy just like the Sun.

How many stars are in the CE Bootis system?

The CE Bootis system contains 3 stars.

What type of star is the CE Bootis?

The primary in the CE Bootis system is a Red dwarf star.

What temperature is star CE Bootis?

The primary in the CE Bootis system has a temperature of 3649 K. Find out more about the temperature of stars in Stellar guide
Closest stars

 SDSS J1416+1348
 0.07 M☉ 5.2 ly

TVLM 513-46
 0.09 M☉ 5.3 ly

Ross 508
 0.18 M☉ 6.6 ly

LP 502-56
 - 6.6 ly

DE Bootis
 - 6.7 ly
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