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Velocity variation of mu Arae observed by HARPS
Illustration of the high-quality radial velocity measurements obtained with HARPS. Here also, the solid line shows the best fit to the measurements, assuming the existence of two planets. The data were obtained over a time span of 80 days and the first points shown are the data from the 8 nights in June. Note that the full span of the vertical axis is only 40 m/s! Error bars indicate the accuracy of the measurements. The lower part of the diagram displays the deviation of the measurements from the best fit.
Crédit:ESO
À propos de l'image
Identification: | eso0427c |
Type: | Graphique |
Date de publication: | 25 août 2004 |
Communiqués de presse en rapport: | eso0427 |
Taille: | 800 x 794 px |
À propos de l'objet
Nom: | mu Arae |
Type: | Milky Way : Star : Spectral Type : G Milky Way : Star : Circumstellar Material : Planetary System |
Distance: | 50 années lumière |
Catégorie: | Exoplanets |