Fig. B.13.
Two possible orbital solutions for the mild barium star HD 199394. Top panel: preliminary solution with P = 14.3 yr and e = 0.11. Bottom panel: another solution with P = 28.7 yr, and e = 0.36 is also possible, although less likely given its associated mass function of 0.128 ± 0.007 M⊙, as compared to 0.030 ± 0.001 M⊙ for the 14 yr orbit. Older data are from CORAVEL, newer from HERMES. Lower panels: O-C residuals. An offset of +0.5 km s−1 has been applied to the CORAVEL data.
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