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Table 2:

Lines used for Doppler imaging of a Cen and the approximate range of elemental abundances over the surface of the star.

Wavelength 		Ion E.P. $\log{gf}$ Min Max
(Å)   (eV)   $\log{N/N_{\rm H}}$ $\log{N/N_{\rm H}}$
4437.551 He I 21.242 -2.034 -3.9 -0.2
6678.154 He I 21.242 0.329    
7281.349 He I 21.242 -0.842    
4432.736 N II 23.415 0.580 -4.9 -2.9
4447.030 N II 20.409 0.285    
6610.562 N II 21.600 0.433    
4414.900 O II 23.442 0.172 -4.3 -1.4
4416.980 O II 23.419 -0.077    
4419.596 Fe III 8.241 -2.218 -5.8 -2.0
4431.019 Fe III 8.248 -2.572    

Source LaTeX | All tables | In the text

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