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Figure 1: Our photo-electric V ( top) and B ( bottom) observations of HD 23642 are phase plotted in the upper panel following the ephemeris of Table 2. The lower panel displays our radial velocities from Table 1 (filled circles) and those from Pearce (1957, squares) and Abt (1958, crosses). The curves over plot the orbital solution given in Table 2. |
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