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Stein 2051 B
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Star Stein 2051 B

White dwarf Stein 2051 B is located 18 light years away from the Sun. It is a single star of spectral class DC5, that has 68 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
18 light years
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Stein 2051 B

White dwarf
Spectral class: DC5

Basic characteristic

icon weight
Mass: 68 % M Sun
| 712 M Jupiter
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Star mass
Mass of the star Stein 2051 B is 0.68 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: 7130 K | 1.23 T Sun
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Star temperature
Surface temperature of Stein 2051 B is 7130 K, which is 123 % 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 iconAbsolute magnitude (V): 1.3
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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Stein 2051 B system structure

 Stein 2051 A
Stein 2051 B

More about Stein 2051 B

Temperature on its surface is around 7130 K (6857 °C), which is about 123 % of Sun's temperature.
       Stein 2051 B 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
EGGR 180, LHS 27, NLTT 13375, TYC 3744-2062-1, 2MASS J04311201+5858476, WD 0426+58, WD2 0426+585, WD3 0426+588, Gaia EDR3 470826482637310848
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External sources
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Scientific study, Accepted: 29. 12. 2026
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A Spatial Map of the Atmospheric Limb of a Hot Jupiter
Scientific study, Accepted: 14. 10. 2026
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simbad icon
Simbad database (EGGR 180)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 470826482637310848)
Archive from the Gaia mission

News from this star system

Narrow ring of gas found near the young star HD 152384
iconToday
Image: Narrow ring of gas found near the young star HD 152384
A narrow ring of gas has been characterized around the young star HD 152384. Located at the dust sublimation radius, the ring likely formed from the collisions of rocky planetesimals, offering a new look at early planetary system evolution....
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Atmospheric composition of hot Jupiter KELT-2A b reveals chemical history
iconToday
Image: Atmospheric composition of hot Jupiter KELT-2A b reveals chemical history
New observations of hot Jupiter KELT-2A b confirm water vapor in its atmosphere. The planet shows a carbon-to-oxygen ratio similar to its host star but with overall lower metallicity, suggesting a complex migration history from far out in its star system....
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Periodic transit timing variations measured for Neptune-like planet HAT-P-18 b
iconToday
Image: Periodic transit timing variations measured for Neptune-like planet HAT-P-18 b
New observations from the James Webb Space Telescope show periodic transit timing variations in the Neptune-like planet HAT-P-18 b. The data indicates an orbital timing shift of 92.9 seconds, providing fresh insights into the dynamics of this distant system....
Read article tag icon

Frequently Asked Questions

How far is the Stein 2051 B system from the Sun?

The Stein 2051 B system is 18 light years or 5.5 parsecs from the Sun.

What galaxy is the Stein 2051 B star in?

The Stein 2051 B is in the Milky Way galaxy just like the Sun.

How many stars are in the Stein 2051 B system?

The Stein 2051 B is a single star, there are no other known stars in the system.

What type of star is the Stein 2051 B?

The star Stein 2051 B is a White dwarf star.

What temperature is star Stein 2051 B?

The star Stein 2051 B has an effective temperature of 7130 K. Find out more about the temperature of stars in Stellar guide
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