Volume 567, July 2014
|Number of page(s)||6|
|Published online||21 July 2014|
Radial velocities, bisector velocity span, and log RHK of XO-2S.
Lomb-Scargle periodogram of RV and activity indicators of XO-2S. From top to bottom: raw RVs, one-planet fit residuals, two-planet fit residuals, two-planet plus linear-trend fit residuals; H and K S index, Hα index, bisector velocity span, Vasy indicator (see Figueira et al. 2013). In all panels the periodicities of the two planetary companions are marked with vertical dashed lines.
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© ESO, 2014
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