Table 3: IUE spectrum of NGC 40.
$\lambda $ Ion Intensities   Ratio
(Å)   (1) (2)   (3) (4)
1550 [C IV] 5.13 1.69   0.246 0.268
1663 O III] $\leq$0.7 1.54   $\leq$0.033 $\leq$0.034
1762 C II 1.35 1.34   0.101 0.061
1883 Si III] 0.45 1.01   0.026 0.022
1909 C III] 11.2 0.87   0.72 0.564
2325 C II] 10.1 0.49   0.873 0.636
2470 [O II] 2.31 0.67   0.142 0.094
2740 C II 0.59 1.14   0.021 0.015
2841 C II 1.36 1.26   0.049 0.031
(1) I(line) - all intensity units 10-13 erg cm-2 s-1;
(2) I(continuum) - all intensity units 10-14 erg cm-2 s-1;
(3) I(line)/I(H$\beta $) from continuum measurement;
(4) I(line)/I(H$\beta $) from [O II] ratio.

Source LaTeX | All tables | In the text