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WISE 0855-0714
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Star WISE 0855-0714

Sub-brown dwarf WISE 0855-0714 is located 7 light years away from the Sun. It is a single star of spectral class Y2, that has 1 % of solar mass. For now, there are no known exoplanets in this star system.
Sun distance
7 light years

WISE 0855-0714

Sub-brown dwarf (spectral class Y2)

Location

Ascension iconRight ascension: 8h 55m 10.83s
Declination iconDeclination: -7° 14' 42.526'' (equatorial region)
Parallax iconParallax: 448
Distance iconSun distance: 7.28 ly | 2.2 pc

Basic characteristic

icon weight
Mass: 0.95 % M Sun | 10 M Jupiter
radius icon
Size: 9.1 % R Sun | 0.9 R Jupiter
temperature iconTemperature: 285 K | 0.05 T Sun
(No known exoplanets yet)

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).
More about WISE 0855-0714
Nearby brown dwarf WISE 0855-0714 is is is much smaller than the Sun and temperature on its surface is around 285 K (12 °C), which is about 5 % of Sun's temperature.
       WISE 0855-0714 can be found in southern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope. 
Other designations of this star
WISEA J085510.74-071442.5, WISE J085510.83-071442.5
External sources
simbad icon
Simbad database (WISEA J085510.74-071442.5)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
Class of stars Sub-brown dwarf
Brown dwarfs are not really stars, because there is no thermonuclear fusion in their core. These objects are smaller and cooler than stars, but too massive to be considered planets. Brown dwarfs of spectral class Y are the coolest and only a few of them have been discovered so far.
Closest stars

Wolf 359
0.11 M☉ 4.4 ly

Sirius
2.1 M☉ 4.8 ly

Procyon
1.5 M☉ 5.5 ly

Luhman 16
0.03 M☉ 6 ly

Luytens Star
0.26 M☉ 6.5 ly
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