description HR 8799 c Overview
HR 8799 c is a gas giant exoplanet discovered orbiting the young A-type star HR 8799. It’s notable as one of the first planets directly imaged around another star and part of a multi-planet system. This planet, approximately twice the size of Jupiter, offers scientists a unique opportunity to study planetary formation and evolution in detail. Astronomers and researchers investigating exoplanets and stellar systems find this data particularly valuable.
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Why is HR 8799 c famous in the field of astronomy?
HR 8799 c is famous because it was one of the first exoplanets ever to be directly imaged by telescopes. Captured in 2008 by the Keck and Gemini observatories in Hawaii, it provided actual visual proof of a multi-planet system around another star.
How massive is HR 8799 c compared to Jupiter?
HR 8799 c is a massive gas giant, estimated to be about 10 times the mass of Jupiter. It is so large that it borders on the threshold of being considered a brown dwarf star.
How far is HR 8799 c from its host star?
The planet orbits its parent star, HR 8799, at a distance of approximately 38 Astronomical Units (AU). This is roughly the same distance as the orbit of Pluto in our own solar system.
What type of star does HR 8799 c orbit?
HR 8799 c orbits HR 8799, which is a young, A-type main-sequence star. This star is located about 129 light-years away from Earth in the constellation Pegasus.
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