Info

References

1. http://cfa-www.harvard.edu/afoe/espd.html

2. http://www.aao.gov.au/local/www/cgt/planet/aat.html

4. http://obswww.unige.ch/~udry/planet/coralie.html

5. http://obswww.unige.ch/Instruments/harps/Welcome.html

6. http://www.obs-hp.fr/www/guide/sophie/sophie-eng.html

7. http://www.eso.org/instruments/uves/

8. http://www.as.utexas.edu/mcdonald/het/instruments.html

9. http://exoplanets.org/

The concept has been revitalized by the addition of Swiss teams to the instrumental consortium, and should allow astrometric measurements to be carried out with an ultimate accuracy of about 70 |as. Such accuracy does not, however, allow the observation of anything other than giant planets far from their parent stars. This method is therefore an excellent complement to the radial-velocity method, which requires extremely long-duration tracking to detect planets in distant orbits.

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