Table 4
X-ray flux and emission-weighted average thermal energy for quiescent and flaring time-intervals of the EPIC/pn observations of ϵ Eri that show variability (see text in Sect. 2.3.2).
| No. obs. | Obs. | FX (10−11 erg cm−2 s−1) | kTav [keV] | ||
|---|---|---|---|---|---|
| Quiescent | Flaring | Quiescent | Flaring | ||
| 1 | 02/2003 | 1.23 ± 0.01 | 1.47 ± 0.02 | 0.36 ± 0.02 | 0.40 ± 0.05 |
| 5 | 07/2016 | 1.76 ± 0.03 | 2.03 ± 0.02 | 0.39 ± 0.03 | 0.46 ± 0.06 |
| 8 | 01/2018 | 1.80 ± 0.04 | 2.05 ± 0.02 | 0.42 ± 0.09 | 0.44 ± 0.05 |
| 9 | 08/2018 | 1.86 ± 0.02 | 2.37 ± 0.02 | 0.38 ± 0.02 | 0.47 ± 0.03 |
| 10 | 01/2019 | 1.20 ± 0.01 | 1.33 ± 0.03 | 0.32 ± 0.02 | 0.34 ± 0.08 |
| 11 | 08/2019 | 1.56 ± 0.02 | 2.08 ± 0.02 | 0.41 ± 0.05 | 0.53 ± 0.04 |
| 13 | 08/2020 | 1.44 ± 0.02 | 1.73 ± 0.04 | 0.36 ± 0.03 | 0.36 ± 0.06 |
| 14 | 01/2021 | 1.71 ± 0.02 | 1.83 ± 0.03 | 0.39 ± 0.03 | 0.42 ± 0.07 |
| 16 | 01/2022 | 1.22 ± 0.01 | 1.52 ± 0.02 | 0.33 ± 0.02 | 0.44 ± 0.09 |
Notes. FX and kTav were derived from spectral fitting of EPIC/pn data for the light curves flagged as variable with the changepoint analysis; see Sect. 2.3.2 for the definition of the two brightness states. Errors are 95% confidence levels computed with the XSPEC ERROR command.
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