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Home All issues Volume 494 / No 3 (February II 2009) A&A, 494 3 (2009) 915-932 Full HTML
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Table 3:

Column densities. Errors are given at 2$\sigma $.

Species 		$N_{\rm obs}^a$ $N_{\rm norm}^b$
( cm-2) ( cm-2)
N I  $\rm 14.20^{+0.12}_{-0.14}$ $\rm 13.96^{+0.22}_{-0.33}$
O I  $\rm 15.58^{+0.12}_{-0.09}$ $\rm 15.52^{+0.10}_{-0.09} $
Si II  $\rm 15.06^{+0.19}_{-0.28}$ $\rm 15.00^{+0.13}_{-0.13} $
P II  $\rm 12.78^{+0.22}_{-0.32}$ $\rm 12.94^{+0.16}_{-0.21} $
Ar I  $\rm 13.18^{+0.19}_{-0.29}$ $\rm 13.10^{+0.31}_{-0.79} $
Fe II  $\rm 13.98^{+0.11}_{-0.13}$ $\rm 13.97^{+0.13}_{-0.18}$
a $N_{\rm obs}$ is the column density calculated using local spectral continuum from the observation.
b $N_{\rm norm}$ is the column density calculated using the spectrum corrected from stellar absorption (Sect. 4.2).

Source LaTeX | All tables | In the text

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