description HD 192310 c Overview
HD 192310 c is an exoplanet orbiting HD 192310, a nearby K-type star about 29 light-years from Earth. It was announced in 2011 from radial-velocity measurements obtained with the Keck Observatory and the HARPS spectrograph. The planet is the outer known companion in a multi-planet system and has a mass between the commonly used Neptune and Saturn ranges. Its relatively long orbit places it farther from the host star than HD 192310 b, so it receives less stellar radiation.
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What is HD 192310 c?
HD 192310 c is the outer known planet in the HD 192310 system. It orbits a nearby K-type star about 29 light-years from Earth.
How was HD 192310 c discovered?
Astronomers detected it through the radial-velocity method, which measures a star's small back-and-forth motion. The observations used the Keck Observatory and the HARPS spectrograph.
When was HD 192310 c announced?
HD 192310 c was announced in 2011. It was reported as part of a multi-planet system around HD 192310.
Is HD 192310 c the only planet around its star?
No. HD 192310 c is one of multiple known companions orbiting HD 192310, and it is described as the outer known planet in that system.
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