Fig. 4
λ21 cm H I emission, absorption and self-absorption toward J1744. Bottom: Gaussian decomposition of the H I absorption profile of Dickey et al. (1983, see Table 3). An optical depth scale is shown inset. Top: GASS III H I emission scaled down by a factor 100, with one component of the Gaussian decomposition shown superposed to show coincidence between the H I absorption and self-absorption.
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