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2MASS J1017+1308
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Star 2MASS J1017+1308

Binary star 2MASS J1017+1308 is located 94 light years away from the Sun. It consists of 2 brown dwarf stars. For now, there are no known exoplanets in this star system.
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Sun distance
94 light years
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2MASS J1017+1308 A

Brown dwarf
Spectral class: L1.5

Location +

Ascension iconRight ascension: 10h 17m 7.552s
Declination iconDeclination: 13° 8' 39.831'' (equatorial region)
Parallax iconParallax: 34.560
Distance iconSun distance: 94.374 ly | 28.9 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 R Jupiter
(estimate)
+
Star size
Radius of the star 2MASS J1017+1308 A 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 iconTemperature: 2200 K
 (estimate)
+
Star temperature
Surface temperature of 2MASS J1017+1308 A is estimated to be 2151 K, which is 38 % 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

2MASS J1017+1308 B

Brown dwarf
Spectral class: L3

Basic characteristic

radius icon
Size: 10 % R Sun
| 1.1 R Jupiter
(estimate)
+
Star size
Radius of the star 2MASS J1017+1308 B 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 iconTemperature: 2000 K
 (estimate)
+
Star temperature
Surface temperature of 2MASS J1017+1308 B is estimated to be 2000 K, which is 35 % 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 J1017+1308 system structure

 2MASS J1017+1308 A
2MASS J1017+1308 B

More about 2MASS J1017+1308

       2MASS J1017+1308 can be found in northern celestial hemisphere.
Other designations of this star
2MASS J10170754+1308398
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Frequently Asked Questions

How far is the 2MASS J1017+1308 system from the Sun?

The 2MASS J1017+1308 system is 94 light years or 28.9 parsecs from the Sun.

What galaxy is the 2MASS J1017+1308 star in?

The 2MASS J1017+1308 is in the Milky Way galaxy just like the Sun.

How many stars are in the 2MASS J1017+1308 system?

The 2MASS J1017+1308 system contains 2 stars.

What type of star is the 2MASS J1017+1308?

The primary in the 2MASS J1017+1308 system is a Brown dwarf star.

What temperature is the 2MASS J1017+1308?

The primary in the 2MASS J1017+1308 system has an effective temperature of K ( °C). Find out more about the temperature of stars in Stellar guide
Closest stars

 HD 89906
 - 4.3 ly

PM J10188+1118
 - 4.9 ly

LP 429-43
 - 6.4 ly

HD 89813
 - 7 ly

LP 489-20
 - 8 ly
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