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LSPM J0632+5053 B
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Star LSPM J0632+5053 B

Brown dwarf LSPM J0632+5053 B is located 269 light years away from the Sun. It is a single star of spectral class L1.5, that has typically about 4 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
269 light years
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LSPM J0632+5053 B

Brown dwarf
Spectral class: L1.5

Basic characteristic

radius icon
Size: 10 % R Sun
| 1 R Jupiter
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Star size
Radius of the star LSPM J0632+5053 B is 0.1 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: 2178 K | 0.38 T Sun
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Star temperature
Surface temperature of LSPM J0632+5053 B is 2178 K, which is 38 % 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
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LSPM J0632+5053 B system structure

 LSPM J0632+5053 A
LSPM J0632+5053 B

More about LSPM J0632+5053 B

and temperature on its surface is around 2178 K (1905 °C), which is about 38 % of Sun's temperature.
       LSPM J0632+5053 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.
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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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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....
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Frequently Asked Questions

How far is the LSPM J0632+5053 B system from the Sun?

The LSPM J0632+5053 B system is 269 light years or 82.6 parsecs from the Sun.

What galaxy is the LSPM J0632+5053 B star in?

The LSPM J0632+5053 B is in the Milky Way galaxy just like the Sun.

How many stars are in the LSPM J0632+5053 B system?

The LSPM J0632+5053 B is a single star, there are no other known stars in the system.

What type of star is the LSPM J0632+5053 B?

The star LSPM J0632+5053 B is a Brown dwarf star.

What temperature is star LSPM J0632+5053 B?

The star LSPM J0632+5053 B has an effective temperature of 2178 K. 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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