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Table 2

Radii and heights of the line-emitting regions in units of the Schwarzschild radii of their central black holes for the galaxies NGC 7469, NGC 3783, and 3C 390.3.

Line Radius Height H/R Heightcorr Hcorr/R log 10(λLλ)
[RS] [RS] [RS] [erg s-1]
NGC 7469 (MBH = 12.2 × 106   M⊙, RS = 1.39 × 10-3   ld = 3.60 × 1012   cm)
He ii λ1640 71 ± 71 0.17 143 ± 143 0.33 43.56 ± 0.10
Si iv+O iv] λ1400 1078 ± 718 0.88 790 ± 646 0.65 ·
C iv λ1549 1078 ± 287 0.60 2156 ± 503 1.20 ·
Hβ 1150 ± 646 0.36 1006 ± 646 0.31 ·
Hα 1078 ± 1078 0.32 2515 ± 934 0.74 ·
NGC 3783 (MBH = 29.8 × 106   M⊙, RS = 3.40 × 10-3   ld = 8.80 × 1012   cm)
He ii λ1640 264 ± 264 0.64 205 ± 176 0.50 42.55 ± 0.18
Si iv+O iv] λ1400 441 ± 441 0.75 353 ± 382 0.60 ·
C iv λ1549 1412 ± 1412 1.26 1853 ± 912 1.66 ·
Hβ 971 ± 971 0.32 676 ± 441 0.23 ·
3C 390.3 (MBH = 287 × 106   M⊙, RS = 32.7 × 10-3   ld = 84.77 × 1012   cm)
Hβ 39 ± 39 0.06 48 ± 1286 0.07 43.62 ± 0.07
He ii λ4686 213 ± 213 0.26 149 ± 284 0.18 ·
C iv λ1549 944 ± 944 0.87 666 ± 2493 0.61 ·
Lyα 977 ± 977 0.55 1377 ± 849 0.77 ·
NGC 5548–1988/1989 (opt+IUE) (MBH = 67.1 × 106   M⊙, RS = 7.65 × 10-3   ld = 19.82 × 1012   cm)
He ii λ1640 169 ± 169 0.34 196 ± 182 0.39 43.33 ± 0.10
He ii λ4686 222 ± 222 0.22 209 ± 169 0.21 ·
C iv λ1549 1385 ± 1385 1.08 1136 ± 744 0.89 ·
Si iv+O iv] λ1400 339 ± 339 0.21 888 ± 4639 0.55 ·
Hβ 405 ± 405 0.16 431 ± 104 0.17 ·
C iii] λ1909 1110 ± 1110 0.31 1842 ± 1097 0.51 ·
NGC 5548 – 1993 (opt+HST)
He ii λ1640 222 ± 222 0.89 117 ± 130 0.47 43.32 ± 0.10
Si iv+O iv] λ1400 627 ± 627 1.12 339 ± 1019 0.60 ·
C iv λ1549 444 ± 444 0.51 653 ± 143 0.75 ·
Hβ 431 ± 431 0.25 169 ± 143 0.10 ·
C iii] λ1909 1816 ± 1816 1.00 1097 ± 927 0.60 ·
NGC 5548 – Hβ
Hβ 52 ± 52 0.06 91 ± 91 0.11 43.05 ± 0.11
Hβ 222 ± 222 0.22 91 ± 196 0.09 43.29 ± 0.10
Hβ 261 ± 261 0.18 169 ± 78 0.12 43.01 ± 0.11
Hβ 431 ± 431 0.25 169 ± 143 0.10 43.32 ± 0.10
Hβ 182 ± 182 0.10 209 ± 143 0.11 43.05 ± 0.11
Hβ 235 ± 235 0.11 248 ± 104 0.12 43.29 ± 0.10
Hβ 222 ± 222 0.10 261 ± 104 0.12 43.37 ± 0.09
Hβ 196 ± 196 0.09 287 ± 104 0.13 43.18 ± 0.10
Hβ 392 ± 392 0.16 352 ± 143 0.15 43.08 ± 0.11
Hβ 405 ± 405 0.16 431 ± 104 0.17 43.33 ± 0.10
Hβ 378 ± 378 0.13 313 ± 196 0.11 43.46 ± 0.09
Hβ 117 ± 117 0.04 352 ± 78 0.11 43.44 ± 0.09
Hβ 392 ± 392 0.11 509 ± 235 0.15 43.52 ± 0.09

Notes. These data are also given for the two variability campaigns of NGC 5548 during 1988/89 and 1993, as well as for the Hβ monitoring campaign of NGC 5548 over an additional period of 11 years (see Paper III). Furthermore, the optical continuum luminosities at 5100 Å are given for the individual campaigns.

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