Star 2MASS J0254+0223

Brown dwarf 2MASS J0254+0223 is located 18 light years away from the Sun. It is a single star of spectral class T8, that has 6 % of solar mass. For now, there are no known exoplanets in this star system.

2MASS J0254+0223

Brown dwarf (spectral class T8)

Location

Right ascension: 2h 54m 7.886s

Declination: 2° 23' 56.35'' (equatorial region)

Parallax: 185

Sun distance: 17.63 ly | 5.4 pc

Basic characteristic

Mass: 0.062 M Sun | 64.9 M Jupiter

Size: 0.16 R Sun (estimate)

(No known exoplanets yet)

Photometry

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

Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).

More about 2MASS J0254+0223

      Nearby brown dwarf 2MASS J0254+0223 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 J02540788+0223563, ULAS J025409.58+022358.7, WISEA J025409.55+022358.5, WISE J025409.51+022358.6, PSO J043.5+02

External sources

Simbad database (2MASS J02540788+0223563)

Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)

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

Distance (Light Years)		Mass (Solar mass)	Planets


5.7	TZ Arietis	0.14 M_☉	2

6.3	Teegardens star	0.09 M_☉	2

6.4	Gliese 105	0.74 M_☉ 0.08 M_☉ 0.25 M_☉

6.8	40 Eridani	0.84 M_☉ 0.2 M_☉ 0.57 M_☉	1

7.1	2MASS J0136+0933	0.02 M_☉

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Star 2MASS J0254+0223

2MASS J0254+0223

Location

Basic characteristic

Photometry

Two new brown dwarfs discovered close to the Solar system