Table 1: Derived maximum velocities where the blue and red wings reach the continuum. Listed are some forbidden emission lines and some Balmer lines in the FEROS spectrum whose maximum wing velocities could be determined well and which are not blended.
Ion $\lambda $ $v_{\rm blue}$ $v_{\rm red}$
  [Å] [km s-1] [km s-1]
O III 4363 -75 +45
O III 4959 -80 +65
O III 5007 -70 +60
O I 5577 -25 +25
O I 6300 -50 +40
O I 6364 -50 +30
S III 6312 -60 +50
S II 4068 -25 +25
S II 4076 -50 +35
S II 6716 -50 +30
S II 6731 -50 +35
N II 5755 -70 +20
N II 6548 -70 +45
N II 6584 -80 +50
Fe II 7155 -40 +30
Cl III 5517 -30 +100
Cl III 5538 -50 +40
H$\alpha $ 6563 -1800 +1800
H$\beta $ 4861 -160 +160
H$\gamma$ 4340 -140 +140
H$\delta$ 4101 -100 +100
H$\epsilon$ 3970 -100 +100
H8 3889 -100 +40


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