NFT token detail for exoplanet HD 220197 b. Only at exoplanetary.systems
HD 220197 b is a sub_neptune exoplanet discovered in 2018
using the Radial Velocity method at Roque de los Muchachos Observatory. The 3.58 m Telescopio Nazionale Galileo
was employed with the instruments of the HARPS-N Spectrograph.
HD 220197 b
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Discovery Details
World type: sub_neptune
Discovery method: Radial Velocity
Discovery year: 2018
Facility: Roque de los Muchachos Observatory
Instrument: HARPS-N Spectrograph
Telescope: 3.58 m Telescopio Nazionale Galileo
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HD 220197 b is a fascinating world orbiting the star HD 220197, discovered back in 2018 using the clever radial velocity method at the ground-based Roque de los Muchachos Observatory with the sharp-eyed HARPS-N Spectrograph. This exoplanet isn’t just a distant point of light—it’s a real celestial neighbor whose presence was teased out by the subtle gravitational dance it performs with its star. Although we don’t have a catchy nickname for it yet, HD 220197 b invites you to imagine a mysterious world circling far beyond our solar system, silently tracing its path in a cosmic ballet. Its discovery highlights the incredible precision of modern astronomy and the excitement of finding new planets right in our galactic backyard.
