Artist’s impression of the L 98-59 planetary system

This artist’s impression shows L 98-59b, one of the planets in the L 98-59 system 35 light-years away. The system contains four confirmed rocky planets with a potential fifth, the furthest from the star, being unconfirmed.

In 2021, astronomers used data from the Echelle SPectrograph for Rocky Exoplanets and Stable Spectroscopic Observations (ESPRESSO) instrument on ESO’s VLT to measure the mass of L 98-59b, finding it to be half that of Venus. This makes it the lightest planet measured to date using the radial velocity technique.


About the Image

Id: eso2112a
Type: Artwork
Release date: 5 August 2021, 14:00
Related releases: eso2112
Size: 5036 x 2950 px

About the Object

Name: L 98-59
Type: Milky Way : Star : Circumstellar Material : Planetary System
Category: Exoplanets


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