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2MASS J10440942+0429376
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Star 2MASS J10440942+0429376

Brown dwarf 2MASS J10440942+0429376 is located 64 light years away from the Sun. It is a single star of spectral class L7, that has typically about 4 % of solar mass. For now, there are no known exoplanets in this star system.
Sun distance
64 light years
galaxy map

2MASS J10440942+0429376

Brown dwarf
Spectral class: L7

Location +

Ascension iconRight ascension: 10h 44m 9.425s
Declination iconDeclination: 4° 29' 37.698'' (equatorial region)
Parallax iconParallax: 51.300
Distance iconSun distance: 63.578 ly | 19.5 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: 3 % M Sun
| 31.4 M Jupiter
 (estimate)
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Star mass
The estimated mass of the star 2MASS J10440942+0429376 is about 3 % of the Sun's mass, or approximately 31.4 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: 10 % R Sun
| 1.3 R Jupiter
(estimate)
+
Star size
Radius of the star 2MASS J10440942+0429376 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: 1400 K
 (estimate)
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Star temperature
Surface temperature of 2MASS J10440942+0429376 is estimated to be 1424 K, which is 24 % 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

Magnitude iconAbsolute magnitude (V): -1.5
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 J10440942+0429376 system structure

 2MASS J10440942+0429376

More about 2MASS J10440942+0429376

       2MASS J10440942+0429376 can be found in northern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope.
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External sources
simbad icon
Simbad database (2MASS J10440942+0429376)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)

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News from this star system

Frequently Asked Questions stardetail

How far is the 2MASS J10440942+0429376 system from the Sun?

The 2MASS J10440942+0429376 system is 64 light years or 19.5 parsecs from the Sun.

What galaxy is the 2MASS J10440942+0429376 star in?

The 2MASS J10440942+0429376 is in the Milky Way galaxy just like the Sun.

How many stars are in the 2MASS J10440942+0429376 system?

The 2MASS J10440942+0429376 is a single star, there are no other known stars in the system.

What type of star is the 2MASS J10440942+0429376?

The star 2MASS J10440942+0429376 is a Brown dwarf star.

What temperature is the 2MASS J10440942+0429376?

The primary in the 2MASS J10440942+0429376 system has an effective temperature of K ( °C). 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

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 - 3.9 ly

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 - 5.9 ly

2MASS J11101001+0116130
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HD 94765
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