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Fig. 6
Comparison between Hipparcos and TGAS parallaxes obtained from the sample of 31 Type II Cepheids (T2Cs) which have both measurements. Red filled circles represent stars with (σϖ/ϖ)HIPPARCOS< 0.50. A dashed line shows the bisector. Residuals are TGAS − Hipparcos parallax values.
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