M_G vs. (G − G_RP) color-magnitude plot of the YSO candidates and the co-moving sources. The dashed lines indicate the isochrones from PARSEC models (Marigo et al. 2017) for 0.1, 0.5, 1, and 10 Myr. The solid curves represent the same from CIFIST models (Baraffe et al. 2015) for 1, 3, 10, and 60 Myr. Filled blue, red, and cyan circles are the YSO candidates that have reliable Gaia DR2 data (with open black circles) or co-moving sources (without open black circles) toward L1147/1158 (PV Cep), L1172/1174 (HD 200775), and L1177 (BD+68°1118), respectively. The co-moving sources not associated with any of the cloud complexes are presented using filled black circles. The green, red, and blue plus symbols indicate the HAeBe stars, CTTSs, and WTTSs, respectively. The arrow represents an extinction of 1 magnitude.