Integrated intensity (first column), centroid velocity (middle column) and velocity dispersion (right column) of the NH₃ (1,1) transition (top row) and NH₃(2,2) transition (bottom row) of the GBT data. The data has been regridded to the JVLA pixel size. The NH₃ (1,1) data was masked to 3σ, while the weaker NH₃(2,2) data was masked to 2σ. Contours in the top row correspond to the integrated intensity of the combined JVLA and GBT NH₃ (1,1) data in stepsof 0.04 Jy beam⁻¹ × km s⁻¹, from 0.05 Jy beam⁻¹ × km s⁻¹ to 0.29 Jy beam⁻¹ × km s⁻¹, while contours in the bottom row correspond to the integrated intensity of the combined NH₃ (2,2) data in stepsof 0.008 Jy beam⁻¹ × km s⁻¹, from 0.008 Jy beam⁻¹ × km s⁻¹ to 0.096 Jy beam⁻¹ × km s⁻¹. Beam information is plotted in the bottom right corner of each panel, while the scale of 1 pc is plotted in each panel of the top row.