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2MASS J1222-5737
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Star 2MASS J1222-5737

Triple star system 2MASS J1222-5737 is located 345 light years away from the Sun. It is a system with 3 stars. For now, there are no known exoplanets in this star system.
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Sun distance
345 light years
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2MASS J1222-5737 A

Orange star

Location +

Ascension iconRight ascension: 12h 22m 1.405s
Declination iconDeclination: -57° 37' 56.861'' (southern hemisphere)
Parallax iconParallax: 9.449
Distance iconSun distance: 345.181 ly | 105.8 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: 73.5 % M Sun
| 770 M Jupiter
+
Star mass
Mass of the star 2MASS J1222-5737 A is 0.7354 solar 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: 98 % R Sun
| 9.7 R Jupiter
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Star size
Radius of the star 2MASS J1222-5737 A is 0.976 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: 3749 K | 0.65 T Sun
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Star temperature
Surface temperature of 2MASS J1222-5737 A is 3749 K, which is 65 % 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
luminosity icon
Luminosity: 0.169 L Sun
+
Star luminosity
Luminosity is the total amount of energy a star gives off every second. Think of it as the star’s true brightness — not just how bright it looks from Earth. This is important because some stars may appear dim simply because they are far away, not because they’re actually faint... icon More about Star luminosity in StellarGuide

Photometry

Magnitude iconAbsolute magnitude (V): -5.1
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 J1222-5737 B

Orange star

Basic characteristic

icon weight
Mass: 66.8 % M Sun
| 700 M Jupiter
+
Star mass
Mass of the star 2MASS J1222-5737 B is 0.7354 solar 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: 94 % R Sun
| 9.4 R Jupiter
+
Star size
Radius of the star 2MASS J1222-5737 B is 0.942 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: 3645 K | 0.63 T Sun
+
Star temperature
Surface temperature of 2MASS J1222-5737 B is 3645 K, which is 63 % 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
luminosity icon
Luminosity: 0.141 L Sun
+
Star luminosity
Luminosity is the total amount of energy a star gives off every second. Think of it as the star’s true brightness — not just how bright it looks from Earth. This is important because some stars may appear dim simply because they are far away, not because they’re actually faint... icon More about Star luminosity in StellarGuide

Photometry

Magnitude iconAbsolute magnitude (V): -5.1
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 J1222-5737 C

Red dwarf

Location +

Distance iconDistance from the primary: 100 AU

Basic characteristic

icon weight
Mass: 20 % M Sun
| 210 M Jupiter
+
Star mass
Mass of the star 2MASS J1222-5737 C is 0.6680 solar 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

Photometry

Magnitude iconAbsolute magnitude (V): -5.1
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 J1222-5737 system structure

 2MASS J1222-5737 A
2MASS J1222-5737 A disk n/a 50 R⊕ -
2MASS J1222-5737 B
2MASS J1222-5737 B disk 50 AU -
2MASS J1222-5737 C 100 AU
2MASS J1222-5737 C disk n/a -

More about 2MASS J1222-5737

       2MASS J1222-5737 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
TIC 411614400, 2MASS J12220147−5737565, WISEA J122201.42−573756.6, ASAS J122201−5737.8, ROSAT 2RXS J122201.0−573754, UCAC4 162−087608, Gaia DR2 6071734350857944704, 2M1222-57
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External sources
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Frequently Asked Questions

How far is the 2MASS J1222-5737 system from the Sun?

The 2MASS J1222-5737 system is 345 light years or 105.8 parsecs from the Sun.

What galaxy is the 2MASS J1222-5737 star in?

The 2MASS J1222-5737 is in the Milky Way galaxy just like the Sun.

How many stars are in the 2MASS J1222-5737 system?

The 2MASS J1222-5737 system contains 3 stars.

What type of star is the 2MASS J1222-5737?

The primary in the 2MASS J1222-5737 system is a Orange star star.

What temperature is star 2MASS J1222-5737?

The primary in the 2MASS J1222-5737 system has a temperature of 3749 K. Find out more about the temperature of stars in Stellar guide
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