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2MASS J21584713-0240241
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Star 2MASS J21584713-0240241

White dwarf 2MASS J21584713-0240241 is located 91 light years away from the Sun. It is a single star of spectral class DC, that has typically about 60 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
91 light years
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2MASS J21584713-0240241

White dwarf
Spectral class: DC

Location +

Ascension iconRight ascension: 21h 58m 47.038s
Declination iconDeclination: -2° 40' 24.841'' (equatorial region)
Parallax iconParallax: 35.740
Distance iconSun distance: 91.258 ly | 28.0 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: 60 % M Sun
| 597.1 M Jupiter
 (estimate)
+
Star mass
The mass of the star 2MASS J21584713-0240241 is unknown. Based on its other characteristics, it is estimated to be about 60 % of the Sun's mass.

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: 0 % R Sun
| 0.1 R Jupiter
(estimate)
+
Star size
Radius of the star 2MASS J21584713-0240241 is not known. Its estimated value based on other similar stars is about 0 % 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: 4900 K
 (estimate)
+
Star temperature
Surface temperature of 2MASS J21584713-0240241 is estimated to be 4888 K, which is 85 % 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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2MASS J21584713-0240241 system structure

 2MASS J21584713-0240241

More about 2MASS J21584713-0240241

       2MASS J21584713-0240241 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
Gaia DR3 2676566272464334720
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External sources
simbad icon
Simbad database (2MASS J21584713-0240241)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia DR3 2676566272464334720)
Archive from the Gaia mission

Frequently Asked Questions

How far is the 2MASS J21584713-0240241 system from the Sun?

The 2MASS J21584713-0240241 system is 91 light years or 28.0 parsecs from the Sun.

What galaxy is the 2MASS J21584713-0240241 star in?

The 2MASS J21584713-0240241 is in the Milky Way galaxy just like the Sun.

How many stars are in the 2MASS J21584713-0240241 system?

The 2MASS J21584713-0240241 is a single star, there are no other known stars in the system.

What type of star is the 2MASS J21584713-0240241?

The star 2MASS J21584713-0240241 is a White dwarf star.

What temperature is the 2MASS J21584713-0240241?

The primary in the 2MASS J21584713-0240241 system has an effective temperature of K ( °C). Find out more about the temperature of stars in Stellar guide
Possible companions

 2MASS J21583914-0239163
 - 0.2 ly
Closest stars

 LP 639-11
 - 2.5 ly

Wolf 1336
 - 5.9 ly

G 26-39
 - 6.5 ly

EGGR 151
 - 8.5 ly

LP 698-18
 - 9.6 ly
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stellar brief logoStellar Brief

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3. 11. 2026
stellar brief logo
TOI-2298 b is about three times Earth’s size and circles its orange dwarf star inside the star’s conservative habitable zone, but uncertain orbits can make such labels misleading. New studies also examine the dust around HD 100546, a possible giant planet around HD 156295, a changing planetary orbit, and how computer models interpret exoplanet atmospheres.
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icon Data in Stellar Catalog come from trusted scientific sources. Primary source is Gaia space telescope mapping the stars in Milky Way. Other sources include research papers, Simbad catalog and Exoplanet.eu database.
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icon Objects listed in the Stellar Catalog often have values that are estimates. These estimates are determined using their known characteristics, such as spectral type, brightness across different wavelengths, distance from a star, and other factors.
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