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.

Credit:

ESO

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About the Image

Id:eso0427c
Type:Chart
Release date:25 August 2004
Related releases:eso0427
Size:800 x 794 px

About the Object

Name:mu Arae
Type:• Milky Way : Star : Spectral Type : G
• Milky Way : Star : Circumstellar Material : Planetary System
Distance:50 light years

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