Lambda (Ang), Gal weight; QSO weight; Species ---------------------------------------------- Emission Lines 1033.82 0 1 O VI 1215.24 0 9 Ly alpha 1240.81 0 3 N V 1305.53 0 0 O I 1335.31 0 0 C II 1397.61 0 0 Si IV 1399.8 0 1 Si IV+O IV 1549.48 0 8 C IV 1640.4 0 0 He II 1665.85 0 0 O III 1750.26 0 1 N III 1857.4 0 0 Al III 1908.734 0 7 C III 2326.0 0 1 C II 2439.5 0 0 Ne IV 2799.117 1 8 Mg II 3346.79 0 0 Ne V 3426.85 0 0 Ne VI 3727.092 5 1 O II 3729.875 0 0 O II 3759.99 0 1 Fe VII 3869.85 0 1 Ne III 3889.0 0 0 He I 4072.3 0 0 S II 4102.89 1 4 H delta 4341.68 1 3 H gamma 4364.436 0 0 O III 4862.68 2 4 H beta 4932.603 0 0 O III 4960.295 2 2 O III 5008.240 3 2 O III 5160.33 0 1 Fe VII 5722.30 0 1 Fe VII 5877.29 0 1 He I 6087.98 0 1 Fe VII 6302.046 0 0 O I 6365.536 0 0 O I 6529.03 0 0 N I 6549.86 3 0 N II 6564.61 8 8 H alpha 6585.27 3 0 N II 6718.29 3 0 S II 6732.67 3 0 S II 7137.80 0 1 Ar III Absorption Lines 3934.777 -1 0 K 3969.588 -1 0 H 4305.61 -1 0 G 5176.7 -1 0 Mg 5895.6 -1 0 Na 8500.36 -1 0 CaII 8544.44 -1 0 CaII 8664.52 -1 0 CaII Sky Lines 5578.5 O I 5890.0 Na I 5894.6 Na I 5896.0 Na I 6300.3 O I 6301.7 O I 6363.0 O I 7246.0 Hg ---------------------------------------------- Sources: - Spectroscopic Algorithms in SDSS: http://www.sdss.org/dr2/algorithms/linestable.html - "Composite Quasar Spectra from the Sloan Digital Sky Survey": Vanden Berk, D. E. et al., 2001, ApJ, 122, p.549