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WISE 1828+2650
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Star WISE 1828+2650

Sub-brown dwarf WISE 1828+2650 is located 33 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.
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Sun distance
33 light years
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WISE 1828+2650

Sub-brown dwarf
Spectral class: ≥Y2

Location +

Ascension iconRight ascension: 18h 28m 31.092s
Declination iconDeclination: 26° 50' 37.720'' (northern hemisphere)
Parallax iconParallax: 100.210
Distance iconSun distance: 32.547 ly | 10.0 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: 0.7 % M Sun
| 7 M Jupiter
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Star mass
Mass of the star WISE 1828+2650 is 0.007 solar masses (or 7.3 Jupiter masses.)

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: 0 % R Sun
| 0.2 R Jupiter
(estimate)
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Star size
Radius of the star WISE 1828+2650 is not known. Its estimated value based on other similar stars is about 0 % 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 icon
Temperature: 380 K | 0.07 T Sun
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Star temperature
Surface temperature of WISE 1828+2650 is 380 K, which is 7 % 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
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WISE 1828+2650 system structure

 WISE 1828+2650

More about WISE 1828+2650

Nearby brown dwarf WISE 1828+2650 is is is much smaller than the Sun and temperature on its surface is around 380 K (107 °C), which is about 7 % of Sun's temperature.
       WISE 1828+2650 can be found in northern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope.
Other designations of this star
WISE J182831.08+265037.7, WISEP J182831.08+265037.8, WISEPA J1828+2650
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External sources
icon study
icon study
15NH3 in the atmosphere of a cool brown dwarf
Scientific study, Accepted: 14. 11. 2023
icon study
simbad icon
Simbad database (WISE J182831.08+265037.7)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)

Frequently Asked Questions

How far is the WISE 1828+2650 system from the Sun?

The WISE 1828+2650 system is 33 light years or 10.0 parsecs from the Sun.

What galaxy is the WISE 1828+2650 star in?

The WISE 1828+2650 is in the Milky Way galaxy just like the Sun.

How many stars are in the WISE 1828+2650 system?

The WISE 1828+2650 is a single star, there are no other known stars in the system.

What type of star is the WISE 1828+2650?

The star WISE 1828+2650 is a Sub-brown dwarf star.

What temperature is star WISE 1828+2650?

The star WISE 1828+2650 has an effective temperature of 380 K. Find out more about the temperature of stars in Stellar guide
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.
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stellar brief logoStellar Brief

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27. 10. 2026
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A giant planet candidate near Boyajian’s star may look oversized because a broad ring system surrounds it, not because the planet itself is unusually large. New atmospheric models also show why methane and carbon monoxide can vary across hot gas giants, exposing major limits in simpler predictions.
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