Table 5: Weak diatomic and atomic UV lines: CH, CH+, Ca I, K I and Na I toward AzV 456. The spectral lines are shown in Fig. 7. Central velocities v (km s-1), equivalent widths  EW (mÅ) and column densities log N (cm-2) are listed.
Species $\lambda_{\rm rest}$ f v EW log N4
  (Å)   (km s-1) (mÅ) (cm-2)
CH 4300.303 0.00533 123 22.0 13.40
CH+ 4232.548 0.00563   $\la$1 $\la$12.05
Ca I 4226.728 1.771 123 $\la$2 $\la$9.85
K I 4044.142 0.006082 126 4.6 12.72
  4047.213 0.003052 121 1.7 12.58
Na I 3302.37 0.009003 122 23.0 13.42
  3302.98 0.004463 123 16.5 13.58
1 G. Risberg (1968); 2 NIST Atomic spectra database (P. Risberg, 1956); 3 Morton (2003); 4 Welty et al. (2006) find log N = 13.60, $\la$12.40 and 12.47 for CH, CH+ and CN, respectively.

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