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FP Cancri
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Star FP Cancri

Triple star system FP Cancri is located 78 light years away from the Sun. It is a system with 3 stars. For now, there are no known exoplanets in this star system.
Sun distance
78 light years
galaxy map

FP Cancri A

Orange star, BY Draconis variable
Spectral class: K6V

Location +

Ascension iconRight ascension: 8h 8m 56.341s
Declination iconDeclination: 32° 49' 8.319'' (northern hemisphere)
Parallax iconParallax: 41.731
Distance iconSun distance: 78.156 ly | 24.0 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: 70 % M Sun
| 733.3 M Jupiter
 (estimate)
+
Star mass
The mass of the star FP Cancri A is unknown. Based on its other characteristics, it is estimated to be about 70 % 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: 70 % R Sun
| 6.6 R Jupiter
(estimate)
+
Star size
Radius of the star FP Cancri A is not known. Its estimated value based on other similar stars is about 70 % 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: 4000 K
 (estimate)
+
Star temperature
Surface temperature of FP Cancri A is estimated to be 4004 K, which is 69 % 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

FP Cancri Ba

Red dwarf, Spectroscopic binary
Spectral class: M2.8

Basic characteristic

icon weight
Mass: 30 % M Sun
| 314.3 M Jupiter
 (estimate)
+
Star mass
The mass of the star FP Cancri Ba 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 FP Cancri Ba 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: 3400 K
 (estimate)
+
Star temperature
Surface temperature of FP Cancri Ba is estimated to be 3351 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

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

FP Cancri Bb

Red dwarf, , Spectroscopic binary
Spectral class: M3.3

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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FP Cancri system structure

Stars B and C form a pair, which orbits the primary star A.
 FP Cancri A
FP Cancri Ba
FP Cancri Bb

More about FP Cancri

      a BY Draconis variable. Stars from this category exhibit periodic variations in their luminosity. The variability is caused by a rotation which shows and hides starspots on the surface. FP Cancri 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. 

      FP Cancri is a BY Draconis variable. Stars from this category exhibit periodic variations in their luminosity. The variability is caused by a rotation which shows and hides starspots on the surface.
Other designations of this star
Gaia EDR3 902175202130167936
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News from this star system

Frequently Asked Questions stardetail

How far is the FP Cancri system from the Sun?

The FP Cancri system is 78 light years or 24.0 parsecs from the Sun.

What galaxy is the FP Cancri star in?

The FP Cancri is in the Milky Way galaxy just like the Sun.

How many stars are in the FP Cancri system?

The FP Cancri system contains 3 stars.

What type of star is the FP Cancri?

The primary in the FP Cancri system is a Orange star star.

What temperature is the FP Cancri?

The primary in the FP Cancri system has an effective temperature of K ( °C). Find out more about the temperature of stars in Stellar guide
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