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LP 554-50
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Star LP 554-50

White dwarf LP 554-50 is located 83 light years away from the Sun. It is a single star of spectral class DA8.5, 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
83 light years
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LP 554-50

White dwarf
Spectral class: DA8.5

Location +

Ascension iconRight ascension: 12h 11m 18.750s
Declination iconDeclination: 7° 24' 44.517'' (equatorial region)
Parallax iconParallax: 39.503
Distance iconSun distance: 82.565 ly | 25.3 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: 60 % M Sun
| 618.1 M Jupiter
 (estimate)
+
Star mass
The mass of the star LP 554-50 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 LP 554-50 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: 6300 K
 (estimate)
+
Star temperature
Surface temperature of LP 554-50 is estimated to be 6266 K, which is 109 % 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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LP 554-50 system structure

 LP 554-50

More about LP 554-50

       LP 554-50 can be found in northern 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 EDR3 3904628406009296896
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External sources
simbad icon
Simbad database (LP 554-50)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 3904628406009296896)
Archive from the Gaia mission

Frequently Asked Questions

How far is the LP 554-50 system from the Sun?

The LP 554-50 system is 83 light years or 25.3 parsecs from the Sun.

What galaxy is the LP 554-50 star in?

The LP 554-50 is in the Milky Way galaxy just like the Sun.

How many stars are in the LP 554-50 system?

The LP 554-50 is a single star, there are no other known stars in the system.

What type of star is the LP 554-50?

The star LP 554-50 is a White dwarf star.

What temperature is the LP 554-50?

The primary in the LP 554-50 system has an effective temperature of K ( °C). Find out more about the temperature of stars in Stellar guide
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stellar brief logoStellar Brief

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28. 10. 2026
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WISE J1517+05 flashes powerful radio bursts every 1.149 hours, making it one of the fastest-spinning ultracool dwarfs detected in radio waves. The latest reports also explore how transit changes can reveal a hidden planet in Kepler-88 and map a possible hotspot on WD 1202-024 B. Other findings track helium in V1298 Tau b’s atmosphere and a warped dust ring around CQ Tau.
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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.
Estimated values
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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