Table 13: (Continued) Preliminary set of O II lines selected for the analysis, divided by multiplets. The spectrum of the low v sin i star $\tau $ Sco was used to identify the lines. The log  gf values are from the NIST database.
Label $\lambda $ ( Å) log  gf Notes
2s2 2p2 (1D) 3s-2s2 2p2 (1D) 3p
    NIST 99 (2D-2F0)
O II 4590 4590.974 0.350  
O II 4596 4595.957 -1.032  
  4596.177 0.200  
2s2 2p2 (1D) 3p-2s2 2p2 (1D) 3d
    NIST 161 (2F0-2G)
O II 4185 4185.440 0.604 + C III
O II 4189 4189.788 0.716  
  4189.581 -0.828  
    NIST 188 (2P0-2P)
O II 4691 4690.888 -0.610  
  4691.419 -0.309  
O II 4701 4701.179 0.088  
  4701.712 -0.611  
  4700.441 -3.298  
    NIST 172 (2D0-2F)
O II 4703 4703.161 0.263  


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