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2M1207
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Star 2M1207

Brown dwarf 2M1207 is located 211 light years away from the Sun. It is a single star, that has 2 % of solar mass. There is at least one exoplanet in this system.
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Sun distance
211 light years
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2M1207

Brown dwarf

Location +

Ascension iconRight ascension: 12h 7m 33.384s
Declination iconDeclination: -39° 32' 54.395'' (southern hemisphere)
Parallax iconParallax: 15.462
Distance iconSun distance: 210.935 ly | 64.7 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: 1.9 % M Sun
| 20 M Jupiter
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Star mass
Mass of the star 2M1207 is 0.019 solar masses (or 19.9 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: 36 % R Sun
| 3.6 R Jupiter
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Star size
Radius of the star 2M1207 is 0.36 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: 2640 K | 0.46 T Sun
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Star temperature
Surface temperature of 2M1207 is 2640 K, which is 46 % 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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2M1207 system structure

 2M1207
2M1207 b 42 AU 1748.5 M⊕ -

More about 2M1207

Brown dwarf 2M1207 is approximately 40 % of the size of Sun and temperature on its surface is around 2640 K (2367 °C), which is about 46 % of Sun's temperature.
       2M1207 can be found in southern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope.
Other designations of this star
MASS J12073346-3932539, 2MASS1207-3932, 2MASSW J1207334-393254, 2M 1207-39, TWA 27
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External sources
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Frequently Asked Questions

How far is the 2M1207 system from the Sun?

The 2M1207 system is 211 light years or 64.7 parsecs from the Sun.

What galaxy is the 2M1207 star in?

The 2M1207 is in the Milky Way galaxy just like the Sun.

How many stars are in the 2M1207 system?

The 2M1207 is a single star, there are no other known stars in the system.

What type of star is the 2M1207?

The star 2M1207 is a Brown dwarf star.

What temperature is star 2M1207?

The star 2M1207 has an effective temperature of 2640 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.
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