Flux-integrated maps of VLA NH₃ inversion emission line (1,1) from cores with a successful detection (detected in NH₃ (1,1) line with more than five pixels per pointing) and line fitting. Contours in each panel starts from 2σ to the peak value in a linear scale. The green ellipse indicate the outlines of defined cores. Black crosses indicates the detected masers in this observation. White ellipse in bottom-left corner shows synthesized beam, with a corresponding physical scale. The color bar is shown at the top of each panel.