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SUMMARY:Moving beyond stellar activity limitations to detect other Earths 
 - Nadege Meunier\, Grenoble
DTSTART:20200213T160000Z
DTEND:20200213T170000Z
UID:TALK135829@talks.cam.ac.uk
DESCRIPTION:Stellar variability strongly affects radial measurements and a
 s a consequence limits the detectability and mass characterisation of low 
 mass planets with radial velocity techniques. After introducing this chall
 enge\, I will present the stellar processes affecting radial velocity meas
 urements at various temporal scales and the approach we have developed: we
  have used our very good knowledge of solar activity to build a large amou
 nt of realistic synthetic time series for other solar-type stars. I will s
 how how this approach allowed us to understand better the limitations\, le
 ading us to propose a new mitigating method and to estimate the performanc
 e of Earth-like planet in the habitable zone detections. 
LOCATION:Sackler Lecture Theatre\, IoA (tea at 3:30 pm)
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