Table 2.
Central frequency (ν0), FWHM, and significance (σ) of the optical LFQPOs observed in three different epochs (April, June, and October 2018) and shown in Figs. 15 and 16.
| April 2018 | June 2018 | October 2018 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| [MJD 58227] | [MJD 58279] | [MJD 58404.8] | |||||||
| ν0 | FWHM | σ( * ) | ν0 | FWHM | σ( * ) | ν0 | FWHM | σ( * ) | |
| QPO1 | 71 ± 4 mHz | 36 ± 16 mHz | 2.7 | 151 ± 6 mHz | 37 ± 16 mHz | 2.6 | 92 ± 9 mHz | 45 ± 43 mHz | 1.0 |
| QPO2 | 128 ± 2 mHz | 24 ± 5 mHz | 5.2 | 269 ± 10 mHz | 132 ± 32 mHz | 4.6 | 145 ± 4 mHz | 7 ± 6 mHz | 1.5 |
| QPO3 | 575 ± 13 mHz | 68 ± 51 mHz | 1.8 | 209 ± 4 mHz | 9 ± 14 mHz | 1.3 | |||
Notes. ( * )The significance of the LFQPOs is given by the ratio between the normalisation of the Lorentzian fitted to the QPO and its uncertainty (as in Motta et al. 2015).
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