Table 3: Radial heliocentric velocities and equivalent widths for $\lambda \lambda $ 6196 and 6283 ($1\sigma $ rms-error in parenthesis). 3$\sigma $ (=3.0  FWHM  $\sigma _{\rm noise}$) upper limits for $\lambda \lambda $ 6379 and 6613. Uncertainties in $\lambda $6283 central velocity are of the order of 10 to 20 km \ensuremath {\rm {s}^{-1}}.
  6196 6283 6379 6613
Phase v w v w 3$\sigma $ 3$\sigma $
(days) (km \ensuremath {\rm {s}^{-1}}) (mÅ) (km \ensuremath {\rm {s}^{-1}}) (mÅ) (mÅ) (mÅ)
-2 1647 (1) 12 (2) $\sim $1677 160 (15) <13 <31
+14 1650 (1) 13 (2) $\sim $1656 180 (15) <11 <29
+61 1649 (1) 16 (3) $\sim $1639 190 (20) <25 <55


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