Table 4: Small Magellanic Cloud atomic hydrogen and molecularhydrogen column densities from different sources.
  H I column density log N(H I) cm-2 log N(H2) cm-2
  [1] [2] [3] [4] [5] [6]
AzV 456 21.60 $\pm$ 0.05 21.63 21.4 $\pm$ 0.1 21.18   20.93 (0.09)
AzV 18 21.93 $\pm$ 0.02 22.10 22.0 $\pm$ 0.1 21.95 21.80 20.36 (0.07)
AzV 214 21.40 $\pm$ 0.08 21.81 21.9 $\pm$ 0.1      
AzV 398 21.90 $\pm$ 0.10 21.85 22.2 $\pm$ 0.1      
AzV 65   22.01        
Sk 191   - 21.6 $\pm$ 0.1   21.40  
AzV 242   21.59 21.5 $\pm$ 0.1     17.21 +1.00-1.25
[1] Gordon et al. (2003) (via Ly$\alpha $); [2] H I ATCA+PARKES survey (Stanimirovic et al. 2004; Staveley-Smith et al. 1997; Stanimirovic et al. 2000), see Sect. 4.3 and Fig. 5 (H I 21 cm emission); [3] Bouchet et al. (1985); [4] Fitzpatrick (1985) (via Ly$\alpha $); [6] Cartledge et al. (2005).

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