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4FGL J1120-2204
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Star 4FGL J1120-2204

Binary star 4FGL J1120-2204 is located 2664 light years away from the Sun. It consists of a neutron star and a red dwarf. For now, there are no known exoplanets in this star system.
Sun distance
2664 light years
galaxy map

4FGL J1120-2204 A

Neutron star

Location +

Ascension iconRight ascension: 11h 19m 58.309s
Declination iconDeclination: -22° 4' 56.33'' (southern hemisphere)
Parallax iconParallax: 0
Distance iconSun distance: 2664.04 ly | 816.8 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: 170 % M Sun
| 1781 M Jupiter
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Star mass
Mass of the star 4FGL J1120-2204 A is 1.7 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
temperature icon
Temperature: 8500 K | 1.47 T Sun
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Star temperature
Surface temperature of 4FGL J1120-2204 A is 8500 K, which is 147 % 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

4FGL J1120-2204 B

Red dwarf

Basic characteristic

icon weight
Mass: 17 % M Sun
| 178 M Jupiter
+
Star mass
Mass of the star 4FGL J1120-2204 B is 1.7 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: 27 % R Sun
| 2.7 R Jupiter
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Star size
Radius of the star 4FGL J1120-2204 B is 0.27 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

4FGL J1120-2204 system structure

 4FGL J1120-2204 A
4FGL J1120-2204 B
More about 4FGL J1120-2204
       4FGL J1120-2204 can be found in southern celestial hemisphere.
Other designations of this star
4FGL J1120.0-2204, J1120 X1, J1120
External sources
icon study
4FGL J1120.0-2204: A Unique Gamma-ray Bright Neutron Star Binary with an Extremely Low Mass Proto-White Dwarf
Scientific study, Accepted: 10. 01. 2022

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