Table 1
J1023 XMM-Newton/Chandra observation log.
| Obs. ID. | Obs. start | Instrument | Duration | High state | Low state |
| (YYYY-MM-DD) | (ks) | dur. – ks (counts) | dur. – ks (counts) | ||
|
|
|||||
| 0720030101 | 2013-11-10 | pn (FT) | 128.4 | 85.2 (287431) | 25.0 (21482) |
| MOS (SW) | 128.8 | 83.6 (169920) | 24.6 (8466) | ||
|
|
|||||
| 0742610101 | 2014-06-10 | pn (FT) | 116.7 | 63.8 (189226) | 26.2 (12453) |
| MOS (SW) | 118.5 | 62.7 (138779) | 25.9 (8379) | ||
|
|
|||||
| 0748390101 | 2014-11-21 | pn (FT) | 32.4 | ||
| MOS (SW) | 34.3 | ||||
| 0748390501 | 2014-11-23 | pn (FT) | 32.9 | 61.0 (180708) | 19.3 (9386) |
| MOS (SW) | 34.8 | 60.0 (128561) | 19.1 (6026) | ||
| 0748390601 | 2014-11-28 | pn (FT) | 16.9 | ||
| MOS (SW) | 20.6 | ||||
| 0748390701 | 2014-12-17 | pn (FT) | 32.5 | ||
| MOS (SW) | 34.4 | ||||
|
|
|||||
| 0560180801 | 2008-11-26 | MOS (FW) | 34.2 | Quiescence (2136) | |
| 11075 (Chandra) | 2010-03-26 | ACIS-S | 86.2 | Quiescence (3306) | |
Notes. Exposure times for MOS refers to the MOS2 detector (MOS1 times are very similar), after cleaning for soft proton flares. MOS counts for high and low state spectra are the sum of MOS1 and MOS2 counts. Exposure times and total counts for the last set of observations in the transitional state were summed up.
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