January 15, 2020 (v1)
Journal article
Our nearest neighbor, Proxima Centauri, hosts a temperate terrestrial planet. We detected in radial velocities evidence of a possible second planet with minimum mass m c sin i c = 5.8 ± 1.9M ⊕ and orbital period P c = 5.21 −0.22 +0.26 years. The analysis of photometric data and spectro-scopic activity diagnostics does not explain the signal in...
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