Table 1.
Log of APM 08279+5255 observations from 2019.
| Observation | ObsID | Date | Net exposure (ks) | f2 − 10 |
|---|---|---|---|---|
| XMM 101 | 0830480101 | 2019 Mar. 24 | 24.1 |
 |
| Nu02 | 60401017002 | 2019 Apr. 19 | 93.5 | 92.8 |
 |
| Nu04 | 60401017004 | 2019 Apr. 22 | 59.7 | 59.2 |
 |
| XMM 301 | 0830480301 | 2019 Apr. 23 | 24.5 | 28.2 | 25.7 |
 |
Notes. Values of XMM 101 refer to EPIC-pn only; values of XMM 301 refer to EPIC-pn, -MOS1, -MOS2 respectively; values of NuSTAR refer to FPMA, FPMB, respectively. Observed-band 2−10 keV absorbed flux (10−13 erg cm−2 s−1, errors at 90% confidence level) is estimated using acutpl model. Net exposure: exposure time after cleaning the event file from flare events.
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