Table 1
Details of the XMM-Newton EPIC-pn observations.
| ObsId | Obs. start date | Age(a) (days) | Exp. times(b) (ks) | Flux (0.5−2 keV) (1013 ergs1 cm2 | Flux (3−10 keV) |
|---|---|---|---|---|---|
| 0406840301 | 2007−01−17 | 7269 | 106.9/93.1 |  |
 |
| 0506220101 | 2008−01−11 | 7629 | 109.4/89.4 |  |
 |
| 0556350101 | 2009−01−30 | 8013 | 100.0/86.7 |  |
 |
| 0601200101 | 2009−12−12 | 8329 | 89.9/77.5 |  |
 |
| 0650420101 | 2010−12−12 | 8693 | 64.0/55.9 |  |
 |
| 0671080101 | 2011−12−02 | 9049 | 80.6/70.2 |  |
 |
| 0690510101 | 2012−12−11 | 9424 | 68.0/60.5 |  |
 |
| 0743790101 | 2014−11−29 | 10142 | 77.6/67.8 |  |
 |
| 0763620101 | 2015−11−15 | 10493 | 64.0/56.9 |  |
 |
| 0783250201 | 2016−11−02 | 10846 | 72.4/63.3 |  |
 |
| 0804980201 | 2017−10−15 | 11193 | 68.7/59.1 |  |
 |
| 0852980101 | 2019−09−06 | 11884 | 14.7/12.4 |  |
 |
| 0862920201 | 2020−11−24 | 12329 | 74.2/60.5 |  |
 |
Notes. All observations were operated with the EPIC-pn camera in full-frame read-out mode with the medium optical blocking filter. Fluxes are given with 90% confidence range and are not corrected for absorption. (a)Number of days since the explosion of SN 1987A.(b)Total/filtered exposure times (after removal of high background intervals).
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