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LP 890-9
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Star LP 890-9

Red dwarf LP 890-9 is located 105 light years away from the Sun. It is a single star of spectral class M6 D, that has 12 % of solar mass. There are multiple known exoplanets in this system.
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Sun distance
105 light years
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LP 890-9

Red dwarf, High proper motion star
Spectral class: M6 D

Location +

Ascension iconRight ascension: 4h 16m 31.167s
Declination iconDeclination: -28° 18' 52.954'' (southern hemisphere)
Parallax iconParallax: 30.933
Distance iconSun distance: 105.441 ly | 32.3 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: 11.8 % M Sun
| 124 M Jupiter
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Star mass
Mass of the star LP 890-9 is 0.118 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: 15.6 % R Sun
| 1.5 R Jupiter
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Star size
Radius of the star LP 890-9 is 0.1556 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: 2850.0 K | 0.49 T Sun
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Star temperature
Surface temperature of LP 890-9 is 2850.0 K, which is 49 % 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
time icon
Age: 7.2 billions years | 1.57 Sun
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Star age
Star LP 890-9 is 7.2 billion years old, which is about 1.57 of the Sun's age.

The age of a star tells us how long it has been shining since it formed. Knowing a star’s age helps astronomers understand its life stage, how it has changed over time, and what will happen to it in the future... icon More about Star age in StellarGuide

Photometry

Magnitude iconApparent magnitude (V): 17.5
Magnitude iconAbsolute magnitude (V): 14.9
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 890-9 system structure

 LP 890-9
LP 890-9 b 0.02 AU 13.2 M⊕ 1.3 R⊕ 2.7 days
LP 890-9 c 0.04 AU 2.5 M⊕ 1.4 R⊕ 8.5 days

More about LP 890-9

Star LP 890-9 is approximately 20 % of the size of Sun and temperature on its surface is around 2850.0 K (2577 °C), which is about 49 % of Sun's temperature.
       LP 890-9 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
2MASS J04163114-2818526, TIC 44898913, WISEA J041631.33-281855.5, Gaia DR3 4886243456388510720, TOI-4306, SPECULOOS-2
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External sources
icon study
History and Habitability of the LP 890-9 Planetary System
Scientific study, Accepted: 03. 12. 2024
icon study
icon study
icon study
Two temperate super-Earths transiting a nearby late-type M dwarf
Scientific study, Accepted: 06. 09. 2022
simbad icon
Simbad database (LP 890-9)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
tess icon
TESS database (TOI 4306.01)
Archive from the TESS mission

Frequently Asked Questions

How far is the LP 890-9 system from the Sun?

The LP 890-9 system is 105 light years or 32.3 parsecs from the Sun.

What galaxy is the LP 890-9 star in?

The LP 890-9 is in the Milky Way galaxy just like the Sun.

How many stars are in the LP 890-9 system?

The LP 890-9 is a single star, there are no other known stars in the system.

What type of star is the LP 890-9?

The star LP 890-9 is a Red dwarf star.

What temperature is star LP 890-9?

The star LP 890-9 has an effective temperature of 2850.0 K. Find out more about the temperature of stars in Stellar guide
Class of stars Red dwarf
Red dwarfs are small, cool stars with surface temperatures of about 2,000–3,800 K, much cooler than the Sun. They usually have 8–50% of the Sun’s mass and shine very faintly, sometimes at just a tiny fraction of the Sun’s brightness. Classified mainly as spectral type M, they are the most common stars in the Milky Way, making up roughly 70–75% of its stellar population.

They fuse hydrogen slowly through the proton–proton chain and are fully convective, which allows them to use their fuel very efficiently. As a result, red dwarfs can live for tens of billions to trillions of years—far longer than the Sun. Many exoplanets orbit red dwarfs, including some in close habitable zones, though strong stellar activity can affect planetary environments.
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