Table 1.
Information about sources.
| Name | Redshift | dL(z) | log(MBH) | LBOL | Data coverage | σ exp | σ obs Hβ | σ obs cont |
|---|---|---|---|---|---|---|---|---|
| NGC 1566 | 0.005017 | 22.5 | 6.92 | 2.5 × 1042 | 1972–1987 | 0.18 | 0.73 | – |
| NGC 4151 | 0.003319 | 14.9 | 7.12 | 7 × 1043 | 1988–2012 | 0.27 | – | 0.36 |
| NGC 5548 | 0.017175 | 77.8 | 7.94 | 2.8 × 1044 | 1972–2015 | 0.20 | 0.40 | 0.33 |
| GSN 069 | 0.018 | 81.6 | 5.65 | 2.7 × 1043 | January 16/17, 2019 | 0.21 | – | 1.85 |
| (130 [ks]) |
Notes. Culmns are: name of the source, redshift, luminosity distance [Mpc], assuming the cosmology: HO = 67 km s−1, Ωm = 0.32, ΩL = 0.68 (Planck Collaboration I 2014), black hole mass, bolometric luminosity, time span for the optical data coverage, the amplitude expected from the stochastic behavior of AGN, the observed amplitude from line or continuum.
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