Table D.2.
Baseline best-fitting parameters for the 0.4-1 keV and 0.2-1 keV EPIC-pn light curves from the XMM12 observation.
| QPE type | Trec | C | N | σ | χ2/ν |
|---|---|---|---|---|---|
| 0.4-1 keV | 480/273 | ||||
| QPE(w) | 19.89 ± 0.05 | 0.051 ± 0.001 | 0.25 ± 0.02 | 557 ± 45 | |
| QPE(s) | − | 1.11 ± 0.04 | 797 ± 21 | ||
| 0.2-1 keV | 785/273 | ||||
| QPE(w) | 20.00 ± 0.05 | 0.339 ± 0.003 | 0.52 ± 0.05 | 586 ± 59 | |
| QPE(s) | − | 2.00 ± 0.05 | 885 ± 19 | ||
Notes. The baseline model comprises a constant C (in units of cts s−1) representing the quiescent level emission, and two Gaussian functions with normalisation N (in units of cts s−1) and width σ (in units of s) describing the two QPEs. Trec (in units of ks) is the recurrence time (or time-separation) between the two detected QPEs. Superscripts (w) and (s) denote the weak and strong QPE respectively. We use a time-bin of 200 s.
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