H₂ pure rotational spectra obtained with SOFIA/EXES toward HH7. The slit positions, extraction regions, and slit position angles are given in Table 1 or the text. The solid curves show Gaussian fits to the data plotted in the histogram. Vertical colored lines indicate the velocity centroids for each fit, with horizontal bars at the bottom indicating the standard errors (i.e., 68% confidence limits); dashed black vertical lines show for comparison the centroids obtained for the full slit extractions in the bottom panels.