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The approximate radial velocities of 15 variable stars of the RRLyrae type are shown in Table I . As in two previous lists, 1 these estimates of the normal velocities are based on measures of Mount Wilson spectrograms (usually only one for each star) of low dispersion, 110 A/mm, and corrected to the nearest 5 km/secdoi:10.1086/126863 fatcat:njrdtj6y6zbdvd3c5bmy6psz6a