"The HARPS search for southern extra-solar planets. XIII. A planetary system with 3 Super-Earths (4.2, 6.9, & 9.2 Earth masses)"
M. Mayor, S. Udry, C. Lovis, F. Pepe, D. Queloz, W. Benz, J.-L. Bertaux, F. Bouchy, C. Mordasini, D. Ségransan, 2009
A&A 493, 639 (ADS)
Announced during the "Extra-solar Super-Earths" conference held in Nantes (F), June 16-18 2008
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velocities for the 3 planets orbiting HD 40307. |
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The solid lines shows the 3-keplerian orbital solution |
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(days) |
(JD - 2 400 000) |
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(km/s) |
(deg) |
(m/s) |
(M_Earth) |
(AU) |
(m/s/yr) |
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(m/s) |
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+/- 0.0006 |
+/- 0.08 |
(fixed) |
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(fixed) |
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0.10 |
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+/- 0.002 |
+/- 0.15 |
(fixed) |
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(fixed) |
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+/- 0.01 |
+/- 0.29 |
(fixed) |
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(fixed) |
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Extrasolar planet page
Planet Search and Stellar Kinematics group page
Geneva observatory
University of Geneva