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2MASS J0700+3157
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Star 2MASS J0700+3157

Brown dwarf 2MASS J0700+3157 is located 37 light years away from the Sun. It is a single star of spectral class L3+L6.5, that has typically about 4 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
37 light years
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2MASS J0700+3157

Brown dwarf
Spectral class: L3+L6.5

Location +

Ascension iconRight ascension: 7h 0m 36.838s
Declination iconDeclination: 31° 57' 16.667'' (northern hemisphere)
Parallax iconParallax: 89.018
Distance iconSun distance: 36.639 ly | 11.2 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

radius icon
Size: 10 % R Sun
| 1.1 R Jupiter
(estimate)
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Star size
Radius of the star 2MASS J0700+3157 is not known. Its estimated value based on other similar stars is about 10 % 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: 2100 K | 0.36 T Sun
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Star temperature
Surface temperature of 2MASS J0700+3157 is 2100 K, which is 36 % 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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2MASS J0700+3157 system structure

 2MASS J0700+3157

More about 2MASS J0700+3157

Nearby brown dwarf 2MASS J0700+3157 is approximately 10 % of the size of Sun and temperature on its surface is around 2100 K (1827 °C), which is about 36 % of Sun's temperature.
       2MASS J0700+3157 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
2MASSI J0700366+315726, TIC 165098841, WISEA J070036.77+315719.7, WDS J07006+3157AB, Gaia EDR3 890663968222557440
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External sources
simbad icon
Simbad database (2MASS J07003664+3157266)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 890663968222557440)
Archive from the Gaia mission

Frequently Asked Questions

How far is the 2MASS J0700+3157 system from the Sun?

The 2MASS J0700+3157 system is 37 light years or 11.2 parsecs from the Sun.

What galaxy is the 2MASS J0700+3157 star in?

The 2MASS J0700+3157 is in the Milky Way galaxy just like the Sun.

How many stars are in the 2MASS J0700+3157 system?

The 2MASS J0700+3157 is a single star, there are no other known stars in the system.

What type of star is the 2MASS J0700+3157?

The star 2MASS J0700+3157 is a Brown dwarf star.

What temperature is star 2MASS J0700+3157?

The star 2MASS J0700+3157 has an effective temperature of 2100 K. Find out more about the temperature of stars in Stellar guide
Class of stars 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.
Closest stars

 G 109-55
 - 4.5 ly

VV Lyncis
 - 5.7 ly

LP 255-11
 - 6.9 ly

Pollux
 1.9 M☉ 7 ly

Gaia EDR3 881250430700478080
 - 7.8 ly
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stellar brief logoStellar Brief

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27. 10. 2026
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