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LP 944-20
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Star LP 944-20

Brown dwarf LP 944-20 is located 21 light years away from the Sun. It is a single flare star of spectral class M9 V, that has 7 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
21 light years
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LP 944-20

Brown dwarf, flare star, Low-mass star
Spectral class: M9 V

Location +

Ascension iconRight ascension: 3h 39m 35.663s
Declination iconDeclination: -35° 25' 39.337'' (southern hemisphere)
Parallax iconParallax: 155.598
Distance iconSun distance: 20.961 ly | 6.4 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

icon weight
Mass: 7 % M Sun
| 73 M Jupiter
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Star mass
Mass of the star LP 944-20 is 0.07 solar masses (or 73.3 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: 14 % R Sun
| 1.4 R Jupiter
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Star size
Radius of the star LP 944-20 is 0.14 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: 2700 K
 (estimate)
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Star temperature
Surface temperature of LP 944-20 is estimated to be 2663 K, which is 47 % 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

Magnitude iconApparent magnitude (V): 18.7
Magnitude iconAbsolute magnitude (V): 19.7
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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LP 944-20 system structure

 LP 944-20

More about LP 944-20

Nearby brown dwarf LP 944-20 is a main sequence star that fuses hydrogen atoms into helium. 
       LP 944-20 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
SIPS J0339−3525, LEHPM 3451, 2MASSI J0339352−352544, [B2006] J033935.2−352544, APMPM J0340−3526, 2MASS J03393521-3525440, 2MASSW J0339352−352544, BRI B0337−3535, BRI 0337−3535, 2MUCD 10201, Gaia DR2 4860376345833699840, Gaia EDR3 4860376345833699840
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External sources
simbad icon
Simbad database (LP 944-20)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 4860376345833699840)
Archive from the Gaia mission

Frequently Asked Questions

How far is the LP 944-20 system from the Sun?

The LP 944-20 system is 21 light years or 6.4 parsecs from the Sun.

What galaxy is the LP 944-20 star in?

The LP 944-20 is in the Milky Way galaxy just like the Sun.

How many stars are in the LP 944-20 system?

The LP 944-20 is a single star, there are no other known stars in the system.

What type of star is the LP 944-20?

The star LP 944-20 is a Brown dwarf star.

What temperature is the LP 944-20?

The primary in the LP 944-20 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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