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HD 149499 B
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Star HD 149499 B

White dwarf HD 149499 B is located 117 light years away from the Sun. It is a single star of spectral class DOZ1 C, 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
117 light years
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HD 149499 B

White dwarf
Spectral class: DOZ1 C

Basic characteristic

temperature icon
Temperature: 49500 K | 8.57 T Sun
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Star temperature
Surface temperature of HD 149499 B is 49500 K, which is 857 % 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 iconApparent magnitude (V): 11.3
Magnitude iconAbsolute magnitude (V): 8.5
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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HD 149499 B system structure

 HD 149499 A
HD 149499 B

More about HD 149499 B

Temperature on its surface is around 49500 K (49227 °C), which is about 857 % of Sun's temperature.
       HD 149499 B can be found in southern 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
icon study
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Scientific study, Accepted: 29. 12. 2026
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icon study
A Spatial Map of the Atmospheric Limb of a Hot Jupiter
Scientific study, Accepted: 14. 10. 2026
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icon study
icon study
icon study
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 HD 149499 B system from the Sun?

The HD 149499 B system is 117 light years or 35.8 parsecs from the Sun.

What galaxy is the HD 149499 B star in?

The HD 149499 B is in the Milky Way galaxy just like the Sun.

How many stars are in the HD 149499 B system?

The HD 149499 B is a single star, there are no other known stars in the system.

What type of star is the HD 149499 B?

The star HD 149499 B is a White dwarf star.

What temperature is star HD 149499 B?

The star HD 149499 B has an effective temperature of 49500 K. Find out more about the temperature of stars in Stellar guide
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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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