A trio of super-Earths (artist's impression)

Artist's impression of the trio of super-Earths discovered by an European team using the HARPS spectrograph on the ESO 3.6-metre telescope at La Silla, Chile, after 5 years of monitoring. The three planets, having 4.2, 6.7, and 9.4 times the mass of the Earth, orbit the star HD 40307 with periods of 4.3, 9.6, and 20.4 days, respectively.

Kilde:

ESO

Om billedet

Id:eso0819a
Type:Kunstværk
Udgivelsesdato:16. juni 2008
Relaterede pressemeddelelser:eso0819
Størrelse:6001 x 4368 px

Om objektet

Navn:HD 40307
Type:Milky Way : Star : Circumstellar Material : Planetary System
Milky Way : Star : Evolutionary Stage : Main Sequence
Afstand:40 lysår
Kategori:Exoplanets
Illustrations

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