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Chi Eridani
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Star Chi Eridani

Binary star Chi Eridani is located 57 light years away from the Sun. It consists of a yellow giant and a orange star. For now, there are no known exoplanets in this star system.
Sun distance
57 light years
galaxy map

Chi Eridani A

Yellow giant, High proper motion star
Spectral class: G8IIIbCNIV

Location

Ascension iconRight ascension: 1h 55m 58.637s
Declination iconDeclination: -51° 36' 27.251'' (southern hemisphere)
Parallax iconParallax: 56.851
Distance iconSun distance: 57.371 ly | 17.6 pc

Basic characteristic

icon weight
Mass: 158 % M Sun | 1655 M Jupiter
radius icon
Size: 399 % R Sun | 39.7 R Jupiter
temperature iconTemperature: 5115 K | 0.89 T Sun
luminosity iconLuminosity: 9.84 L Sun

Photometry

Magnitude iconApparent magnitude (V): 3.7
Magnitude iconAbsolute magnitude (V): 2.5
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 Eridani B

Orange star, , High proper motion star

Location

Distance iconDistance from the primary: 128 AU

Basic characteristic

icon weight
Mass: 70 % M Sun | 722.8 M Jupiter (estimate)
radius icon
Size: 70 % R Sun | 6.5 R Jupiter (estimate)

Photometry

Magnitude iconApparent magnitude (V): 10.7
Magnitude iconAbsolute magnitude (V): 9.5
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 Eridani system structure

 Chi Eridani A
Chi Eridani B 128 AU
More about Chi Eridani
       Chi Eridani can be found in southern celestial hemisphere, and it is possible to see it with naked eye.
Other designations of this star
χ Eri, FK5 68, GJ 81, Gliese 81, HD 11937, HIP 9007, HR 566, SAO 232573, Gaia EDR3 4937200425857908992
Closest stars

 WT 50
 - 2.6 ly

HD 10647
 1.1 M☉ 3 ly

SIPS J0128-5545
 - 6.8 ly

LEHPM 1343
 - 7.1 ly

L 294-92
 - 7.2 ly
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