Figure 3 from Pulsation Period Variations in the RRc Lyrae Star KIC 5520878

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Pulsation Period Variations in the RRc Lyrae Star KIC 5520878

Authors: Michael Hippke, John G. Learned, A. Zee, William H. Edmondson, John F. Lindner, Behnam Kia, William L. Ditto, and Ian R. Stevens

Hippke et al. 2015 The Astrophysical Journal 798 42.

Caption: Figure 3.

Radial velocity vs. metallicity for the 41 known Kepler RR Lyrae. Black dots represent sub-type RRab, while gray squares represent sub-type RRc.