Star HR 6819 B
Blue Giant HR 6819 B is located 1119 light years away from the Sun.
It is a single star of spectral class B, that has typically about 800 % of solar mass.
For now, there are no known exoplanets in this star system.
Frequently Asked Questions
How far is the HR 6819 B system from the Sun?
The HR 6819 B system is 1119 light years or 343.1 parsecs from the Sun.
What galaxy is the HR 6819 B star in?
The HR 6819 B is in the Milky Way galaxy just like the Sun.
How many stars are in the HR 6819 B system?
The HR 6819 B is a single star, there are no other known stars in the system.
What type of star is the HR 6819 B?
The star HR 6819 B is a Blue Giant star.
What temperature is star HR 6819 B?
The star HR 6819 B has an effective temperature of 16000 K. Find out more about the temperature of stars in
Stellar guide
Class of stars Blue Giant
The nearest black holes are collapsed massive stars scattered across our Galaxy. The closest known is Gaia BH1, located 1,560 light-years away. If our Solar System were scaled down to the size of a coin, this black hole would still be hundreds of kilometers away. Black holes do not act as cosmic vacuum cleaners; if our Sun were replaced by a black hole of equal mass, the planets would continue orbiting in exactly the same paths, though without light or heat. A black hole's gravity is extreme only very close to its event horizon. Thus, despite millions of stellar black holes residing in the Milky Way, the nearest ones pose no danger to Earth.
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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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