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Chi Ceti
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Star Chi Ceti

Triple star system Chi Ceti is located 77 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
77 light years
galaxy map

Chi Ceti A

Yellow giant, High proper motion star
Spectral class: F3III

Location

Ascension iconRight ascension: 1h 49m 34.948s
Declination iconDeclination: -10° 41' 12.567'' (equatorial region)
Parallax iconParallax: 42.585
Distance iconSun distance: 76.59 ly | 23.5 pc

Basic characteristic

icon weight
Mass: 136 % M Sun | 1425 M Jupiter
temperature iconTemperature: 6746 K | 1.17 T Sun
time iconAge: 1.2 billions years | 0.26 Sun
luminosity iconLuminosity: 5.6 L Sun

Photometry

Magnitude iconApparent magnitude (V): 4.7
Magnitude iconAbsolute magnitude (V): 2.8
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
Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).

EZ Ceti A

Yellow star, BY Draconis variable
Spectral class: G3V

Basic characteristic

icon weight
Mass: 100 % M Sun | 1058 M Jupiter (estimate)
radius icon
Size: 130 % R Sun | 12.4 R Jupiter (estimate)
temperature iconTemperature: 5804 K | 1 T Sun

Photometry

Magnitude iconApparent magnitude (V): 6.8
Magnitude iconAbsolute magnitude (V): 4.9
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
Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).

EZ Ceti B

Red dwarf, High proper motion star

Basic characteristic

icon weight
Mass: 30 % M Sun | 303.8 M Jupiter (estimate)
radius icon
Size: 30 % R Sun | 3.3 R Jupiter (estimate)

Photometry

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
Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).

Chi Ceti system structure

 Chi Ceti A
EZ Ceti A
EZ Ceti B
More about Chi Ceti
      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. Chi Ceti can be found in southern celestial hemisphere, and it is possible to see it with naked eye. The star is also observable from Northern America, Europe and Asia. 

      Chi Ceti 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
V* EZ Cet B, HD 11171, chi Cet, χ Cet, Gj 9061, ENG 8, χ Ceti A, 53 Cet, HD 11171, BD−11° 352, FK5 1051, HIP 8497, HR 531, SAO 148036, χ Ceti B, EZ Cet, HD 11131, BD−11°351, HIP 8486, SAO 148033, Gaia EDR3 2461043306017773696
External sources
simbad icon
Simbad database (V* EZ Cet B)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 2461045814278696448)
Archive from the Gaia mission
Closest stars

 SIPS J0149-1336
 - 4.1 ly

GD 1072
 - 5.6 ly

EX Ceti
 0.86 M☉ 7 ly

G 271-110
 - 7 ly

LP 709-43
 - 7.2 ly
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