Table 1.
Log of the observations of XTE J1701−462 and EXO 0748−676 obtained after the end of their outbursts and the results of the spectral fitting of these data.
| Observatory | Observation | MJD | Exposure |  |
nsatmos luminosity (c) | Total luminosity (d) | % contribution | |
|---|---|---|---|---|---|---|---|---|
| Id (a) | time (b) (ksec) | (eV) | (×1032 erg s−1) | (×1032 erg s−1) | of Γ | |||
| XTE J1701−462 | ||||||||
| 1 | Chandra | 7513 | 54324.9 | 4.7 | 160.4 ± 2.4 | 172.1 ± 13.9 | 181.6 ± 13.8 | 5.2 |
| 2 | —”— | 7514 | 54332.8 | 8.8 | 151.5 ± 2.1 | 135.3 ± 10.4 | 184.9 ± 11.7 | 26.8 |
| 3 | XMM-Newton | 0413390101 | 54338.0 | 9.5, 20.1, 19.3 | 149.7 ± 0.9 | 128.0 ± 3.9 | 131.3 ± 3.9 | 2.5 |
| 4 | —”— | 0413390201 | 54371.3 | 12.3, 23.2, 23.2 | 144.6 ± 0.9 | 110.9 ± 3.3 | 115.7 ± 3.3 | 4.2 |
| 5 | Chandra | 7515 | 54496.3 | 19.9 | 135.7 ± 1.7 | 83.9 ± 5.9 | 120.9 ± 6.0 | 29.8 |
| 6 | —”— | 7516 | 54620.3 | 27.4 | 133.8 ± 1.4 | 78.7 ± 4.3 | 88.4 ± 4.4 | 11.0 |
| 7 | —”— | 7517 | 54753.0 | 39.9 | 129.5 ± 1.3 | 68.1 ± 3.6 | 91.6 ± 3.6 | 25.7 |
| 8 | —”— | 10063 | 54862.0 | 50.1 | 123.5 ± 1.1 | 55.1 ± 2.8 | 59.8 ± 2.8 | 7.9 |
| 9 | —”— | 10064, 10889, 10890, 10891 | 54914.6 | 53.7 | 131.5 ± 1.0 | 72.0 ± 3.1 | 86.7 ± 3.0 | 17.0 |
| 10 | —”— | 10065 | 54974.6 | 62.3 | 125.6 ± 1.1 | 59.2 ± 2.7 | 71.4 ± 2.6 | 17.0 |
| 11 | —”— | 10066 | 55027.3 | 65.5 | 124.6 ± 1.0 | 58.2 ± 2.6 | 69.9 ± 2.5 | 16.7 |
| 12 | —”— | 10067, 12006 | 55117.6 | 59.4 | 124.4 ± 1.0 | 56.7 ± 2.4 | 63.7 ± 2.4 | 11.0 |
| 13 | —”— | 11087 | 55480.8 | 56.6 | 121.3 ± 1.1 | 50.6 ± 2.6 | 56.2 ± 2.6 | 9.9 |
| 14 | —”— | 13730 | 56227.4 | 64.2 | 114.4 ± 1.3 | 38.8 ± 2.5 | 53.7 ± 2.3 | 27.8 |
| 15 | —”— | 15800 | 56706.1 | 113.5 | 118.3 ± 1.0 | 45.6 ± 1.9 | 61.0 ± 1.8 | 25.3 |
| 16 | —”— | 17870 | 57561.3 | 98.8 | 116.6 ± 1.0 | 42.5 ± 2.0 | 48.8 ± 1.9 | 12.9 |
| EXO 0748−676 | ||||||||
| 1 | Chandra | 9070, 10783 | 54753.2 | 26.1 | 129.6 ± 0.4 | 67.9 ± 0.9 | 79.4 ± 1.0 | 14.5 |
| 2 | XMM-Newton | 0560180701 | 54776.4 | 24.2, 29.0, 29.0 | 125.9 ± 0.2 | 60.3 ± 0.4 | 64.7 ± 0.5 | 6.8 |
| 3 | Chandra | 9071, 10871 | 54886.5 | 23.9 | 122.7 ± 0.4 | 53.5 ± 0.8 | 57.4 ± 0.9 | 6.8 |
| 4 | XMM-Newton | 0605560401 | 54908.0 | 33.1, 43.2, 42.0 | 120.4 ± 0.2 | 49.6 ± 0.3 | 49.6 ± 0.3 | 0.0 |
| 5 | Chandra | 9072 | 54992.5 | 26.0 | 119.7 ± 0.4 | 47.8 ± 0.7 | 48.0 ± 0.8 | 0.4 |
| 6 | XMM-Newton | 0605560501 | 55013.3 | 66.5, 91.4, 92.9 | 118.0 ± 0.1 | 45.3 ± 0.2 | 45.3 ± 0.2 | 0.0 |
| 7 | Chandra | 11059 | 55306.1 | 25.9 | 117.2 ± 0.5 | 43.6 ± 0.7 | 52.9 ± 0.9 | 17.6 |
| 8 | XMM-Newton | 0651690101 | 55364.2 | 39.0, 43.0, 40.4 | 117.2 ± 0.2 | 44.0 ± 0.3 | 43.9 ± 0.3 | 0.0 |
| 9 | Chandra | 11060 | 55489.6 | 26.2 | 116.2 ± 0.5 | 42.2 ± 0.7 | 49.1 ± 0.8 | 14.1 |
| 10 | —”— | 12414 | 55745.0 | 37.1 | 117.8 ± 0.4 | 44.2 ± 0.6 | 51.0 ± 0.7 | 13.3 |
| 11 | XMM-Newton | 0690330101 | 56397.2 | 81.5, 99.1, 99.2 | 111.9 ± 0.1 | 35.9 ± 0.2 | 35.9 ± 0.2 | 0.0 |
| 12 | Chandra | 14663 | 56505.1 | 41.1 | 110.8 ± 0.4 | 33.9 ± 0.6 | 35.8 ± 0.6 | 5.3 |
| 13 | XMM-Newton | 0824420101 | 58240.3 | 63.2, 74.1, 74.1 | 114.3 ± 0.1 | 39.0 ± 0.2 | 40.9 ± 0.2 | 4.7 |
Notes. All errors reported are 1σ errors.
If multiple observations Ids are listed, the spectra obtained from these observations were combined into one single spectrum, resulting in a single temperature estimate.
The exposure times are reported after the removal of background flares and eclipses. The XMM-Newton exposure times correspond to data from the pn, MOS1, and MOS2 times, respectively.
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