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Epsilon Eridani
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Star Epsilon Eridani

Orange star Epsilon Eridani is located 11 light years away from the Sun. It is a single star of spectral class K2 V, that has 82 % of solar mass. There are multiple known exoplanets in this system.
Sun distance
11 light years

Epsilon Eridani

Orange star (spectral class K2 V)

Location

Ascension iconRight ascension: 3h 32m 54.799s
Declination iconDeclination: -9° 27' 29.406'' (equatorial region)
Parallax iconParallax: 310.577
Distance iconSun distance: 10.502 ly | 3.2 pc

Basic characteristic

icon weight
Mass: 82 % M Sun | 859 M Jupiter
radius icon
Size: 74 % R Sun | 7.3 R Jupiter
temperature iconTemperature: 5183 K | 0.9 T Sun
time iconAge: 0.5 billions years | 0.11 Sun
luminosity iconLuminosity: 0.34 L Sun

5 exoplanets

Epsilon Eridani asteroid belt 2 AU -
Epsilon Eridani b 3.48 AU 248 M 2775 days
Epsilon Eridani asteroid belt 14 AU 6 R -
Epsilon Eridani c
unconfirmed
40 AU 31.8 M 102270 days
Epsilon Eridani Dust belt c 60 AU 20 R -

Photometry

Magnitude iconApparent magnitude (V): 3.7
Magnitude iconAbsolute magnitude (V): 6.2
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).
More about Epsilon Eridani
Nearby star Epsilon Eridani is a main sequence star that fuses hydrogen atoms into helium. It is approximately 70 % of the size of Sun and temperature on its surface is around 5183 K (4910 °C), which is about 90 % of Sun's temperature.
      Epsilon Eridani 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. 
Other designations of this star
Ran, Gliese 144, 18 Eridani, BD -09°697, GCTP 742.00, HD 22049, HIP 16537, HR 1084, LHS 1557, SAO 130564, WDS 03330-0928, eps Eri, Gaia EDR3 5164707970261890560
External sources
icon study
SPHERE RefPlanets: Search for epsilon Eridani b and warm dust
Scientific study, Accepted: 30. 04. 2024
icon study
Debris disks around main-sequence stars
Scientific study, Accepted: 18. 03. 2024
simbad icon
Simbad database (* eps Eri)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 5164707970261890560)
Archive from the Gaia mission
Closest stars

Luyten 726-8
0.12 M☉ 5.1 ly

Tau Ceti
0.69 M☉ 5.5 ly

Teegardens star
0.1 M☉ 5.9 ly

40 Eridani
0.84 M☉ 6.3 ly

Gliese 1061
0.11 M☉ 6.9 ly
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