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Fig. 2.

image

Effective temperatures and surface gravities derived by ASPCAP (DR14) for the sample stars. Open magenta squares indicate RHB/eAGB stars and green filled squares indicate RGB stars as determined from photometry except for M 107 and M 71, for which the separation has been done from spectroscopic parameters only. In comparison to Fig. 1, this figure illustrates that the Cannon work has more precise results when it comes to separating the RGB/RHB/eAGB, but as shown in Jönsson et al. (2018), the ASPCAP parameters are more accurate when compared to independently analyzed local disk stars.

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