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HIP 21152 B
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Star HIP 21152 B

Brown dwarf HIP 21152 B is located 141 light years away from the Sun. It is a single star, that has 2 % of solar mass. For now, there are no known exoplanets in this star system.
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Sun distance
141 light years
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HIP 21152 B

Brown dwarf

Location +

Distance iconDistance from the primary: 17 AU

Basic characteristic

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Mass: 2.29 % M Sun
| 24 M Jupiter
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Star mass
Mass of the star HIP 21152 B is 0.0229 solar masses (or 24 Jupiter 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

Photometry

Magnitude iconAbsolute magnitude (V): -3.2
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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HIP 21152 B system structure

 HIP 21152 A
HIP 21152 B 17 AU

More about HIP 21152 B

       HIP 21152 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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Peering into the Midplane of the DM Tau Disk using N2H+ and DCO+
Scientific study, Accepted: 13. 10. 2026

News from this star system

Molecular emission in the disk around DM Tauri reveals complex chemical processes
iconYesterday
Image: Molecular emission in the disk around DM Tauri reveals complex chemical processes
Observations of the disk around DM Tauri reveal how N2H+ and DCO+ molecules are distributed. The data show that external UV radiation and cosmic rays influence the chemical makeup of the disk out to 400 astronomical units, impacting how planets may form....
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Narrow ring of gas found near the young star HD 152384
iconYesterday
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
iconYesterday
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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Frequently Asked Questions

How far is the HIP 21152 B system from the Sun?

The HIP 21152 B system is 141 light years or 43.3 parsecs from the Sun.

What galaxy is the HIP 21152 B star in?

The HIP 21152 B is in the Milky Way galaxy just like the Sun.

How many stars are in the HIP 21152 B system?

The HIP 21152 B is a single star, there are no other known stars in the system.

What type of star is the HIP 21152 B?

The star HIP 21152 B is a Brown dwarf star.

What temperature is the HIP 21152 B?

The primary in the HIP 21152 B system has an effective temperature of K ( °C). 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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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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icon Stellar Catalog is continuously updated with new information from research papers. Stellar and planetary data are validated by automatic processes as well as humans.
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Stellar Catalog brings the stars from our galaxy to you. Discover their position, physical properties and whether there are any exoplanets or disks orbiting them. The data in Stellar Catalog come from respectable sources like Gaia space telescope, or SIMBAD database.
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