Radial velocity curve of Gliese 581 (HARPS/3.6m)
Radial velocities of the red dwarf Gl 581 as a function of the orbital phase. The amplitude of the detected variation is 13.2 m/s and the curve is consistent with a circular orbit. The orbital period is 5.366 days.
Credit:ESO
About the Image
Id: | eso0539a |
Type: | Chart |
Release date: | 30 November 2005 |
Related releases: | eso0539 |
Size: | 2302 x 1414 px |
About the Object
Name: | Gliese 581 |
Type: | Milky Way : Star : Circumstellar Material : Planetary System |
Distance: | 20 light years |
Category: | Exoplanets |