Similar to the right-hand side panels in Fig. 30, but with the sources having highlighted in black. The PLD constructed with P_G is shown in the top panel and the one constructed with in the bottom panel for the TQS sources with parallax errors better than 15% (gray symbols), and highlighting the sources with . Red and green circles indicate LPVs showing pulsation and a LSP, respectively. Only five of them are identified as C-rich.