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Table 9.
Black hole mass estimates for Ton 599 from the literature and this work.
| Reference | log(MBH/M⊙) | Method | Line(s) Used |
|---|---|---|---|
| This work | 8.77 | Single-epoch virial (Kong et al. 2006 relation) | Mg II |
| Keck 2019 | 8.95 | Single-epoch virial (FWHM, Ldisk) | Mg II |
| Ghisellini et al. 2010 | 9.00 | SED modeling (disk fitting/estimation) | (Disk) |
| Chen et al. 2009 | 9.11 | Single-epoch virial (avg. of Hβ, Mg II) | Hβ, Mg II |
| Chen 2018 | 8.38 | Compiled from the literature (virial methods) | (Various) |
| Liu et al. 2006 | 8.54 | Single-epoch virial (RBLR − L5100 relation) | Hβ |
| Pian et al. 2005 | 8.63 | Single-epoch virial (RBLR − L1350 relation) | C IV |
| Xie et al. 2005 | 8.54 | Single-epoch virial (M − L5100 relation, corr.) | (L5100) |
| Xie et al. 2005 | 7.98 | Optical variability timescale (Δtmin) | (Variability) |
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