CO SLEDs of 30 Doradus. Here each CO SLED was constructed using all available CO transitions from J_u = 1 to 13 for each 30^″ pixel. To indicate a location relative to the pixel that is closest to R136, a pair of numbers is shown in the top left corner of each pixel, e.g., [0,0] corresponds to (α, δ)_J2000 = (05^h38^m42^s, − 69°05′53^″). In addition, the circles and error bars (too small to be visible in many cases) show the measured intensities and 1σ uncertainties for detections, while the downward arrows represent the upper limits based on S∕N_s = 5 for nondetections. Finally, the CO SLEDs are presented in different colors depending on the transition they peak (J_p): black (J_p = 9–8 or 10–9), green (6–5 ≤ J_p < 9–8), and red (uncertain J_p due to many nondetections). The nondetections are then shown in lighter shades (gray, light green, and pink) to distinguish them from the detections.