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.
Credit:ESO
About the Image
| Id: | eso0819a |
| Type: | Artwork |
| Release date: | 16 June 2008 |
| Related releases: | eso0819 |
| Size: | 6001 x 4368 px |
About the Object
| Name: | HD 40307 |
| Type: | Milky Way : Star : Circumstellar Material : Planetary System Milky Way : Star : Evolutionary Stage : Main Sequence |
| Distance: | 40 light years |
| Category: | Exoplanets Illustrations |
