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2MASS J0401+2849
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Star 2MASS J0401+2849

Brown dwarf 2MASS J0401+2849 is located 41 light years away from the Sun. It is a single star of spectral class L3, 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
41 light years
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2MASS J0401+2849

Brown dwarf
Spectral class: L3

Location +

Ascension iconRight ascension: 4h 1m 37.028s
Declination iconDeclination: 28° 49' 51.063'' (northern hemisphere)
Parallax iconParallax: 80.380
Distance iconSun distance: 40.577 ly | 12.4 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)
+
Star size
Radius of the star 2MASS J0401+2849 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 J0401+2849 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 J0401+2849 system structure

 2MASS J0401+2849

More about 2MASS J0401+2849

       2MASS J0401+2849 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
2MASS J04013766+2849529, Gaia EDR3 167202325215063168
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External sources
simbad icon
Simbad database (2MASS J04013766+2849529)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 167202325215063168)
Archive from the Gaia mission

Frequently Asked Questions

How far is the 2MASS J0401+2849 system from the Sun?

The 2MASS J0401+2849 system is 41 light years or 12.4 parsecs from the Sun.

What galaxy is the 2MASS J0401+2849 star in?

The 2MASS J0401+2849 is in the Milky Way galaxy just like the Sun.

How many stars are in the 2MASS J0401+2849 system?

The 2MASS J0401+2849 is a single star, there are no other known stars in the system.

What type of star is the 2MASS J0401+2849?

The star 2MASS J0401+2849 is a Brown dwarf star.

What temperature is the 2MASS J0401+2849?

The primary in the 2MASS J0401+2849 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.
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 0 M☉ 6.4 ly

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