Open Access
Table A.1.
NICER observation log of Swift J1727.8–1613.
| Obs | ObsID | Time | texp | count rate | QPO frequency | QPO Fractional |
|---|---|---|---|---|---|---|
| (MJD mean) | (ks) | (102 counts s−1) | (Hz) | RMS (%) | ||
| 1 | ⋆6203980101 | 60181.38 | 0.5 | 153.3 ± 0.8 | 0.357 ± 0.011 | 2.9★ |
| 2 | 6203980102 | 60182.64 | 1.1 | 492.9 ± 0.1 | 0.334 ± 0.003 | 7.6 ± 0.3 |
| 3 | 6203980103 | 60183.38 | 0.5 | 550.1 ± 0.3 | 0.454 ± 0.006 | 8.0 ± 0.8 |
| 4 | 6203980103 | 60183.59 | 0.5 | 618.4 ± 0.3 | 0.604 ± 0.004 | 8.8 ± 0.4 |
| 5 | 6203980104 | 60184.52 | 3.1 | 732.1 ± 0.1 | 0.788 ± 0.003 | 9.3 ± 0.2 |
| 6 | 6203980105 | 60185.49 | 3.8 | 747.5 ± 0.1 | 0.887 ± 0.002 | 8.9 ± 0.1 |
| 7 | 6703010101 | 60185.65 | 3.4 | 741.1 ± 0.1 | 0.867 ± 0.003 | 9.2 ± 0.2 |
| 8 | 6203980106 | 60186.46 | 10.6 | 783.9 ± 0.1 | 1.111 ± 0.002 | 8.6 ± 0.1 |
| 9 | 6750010101 | 60186.97 | 0.6 | 783.0 ± 0.2 | 1.187 ± 0.004 | 8.4 ± 0.3 |
| 10 | 6750010102 | 60187.26 | 7.4 | 775.8 ± 0.1 | 1.123 ± 0.002 | 8.3 ± 0.1 |
| 11 | 6203980107 | 60187.75 | 5.4 | 770.8 ± 0.1 | 1.189 ± 0.003 | 8.0 ± 0.2 |
| 12 | 6203980108 | 60188.49 | 9.4 | 771.1 ± 0.1 | 1.239 ± 0.002 | 8.2 ± 0.1 |
| 13 | 6703010102 | 60188.65 | 3.7 | 767.0 ± 0.1 | 1.216 ± 0.002 | 8.5 ± 0.2 |
| 14 | 6203980109 | 60189.49 | 12.6 | 755.7 ± 0.1 | 1.261 ± 0.001 | 8.5 ± 0.1 |
| 15 | 6750010201 | 60190.20 | 7.2 | 756.2 ± 0.1 | 1.307 ± 0.002 | 8.2 ± 0.1 |
| 16 | 6203980110 | 60190.75 | 6.7 | 746.8 ± 0.1 | 1.304 ± 0.002 | 8.0 ± 0.1 |
| 17 | 6203980111 | 60191.49 | 9.8 | 703.1 ± 0.1 | 1.178 ± 0.001 | 8.3 ± 0.1 |
| 18 | 6703010103 | 60191.42 | 2.8 | 699.2 ± 0.1 | 1.127 ± 0.004 | 8.1 ± 0.3 |
| 19 | 6203980112 | 60192.52 | 6.8 | 707.7 ± 0.1 | 1.424 ± 0.002 | 7.3 ± 0.1 |
| 20 | 6750010301 | 60193.46 | 7.3 | 708.0 ± 0.1 | 1.427 ± 0.002 | 8.0 ± 0.1 |
| 21 | 6203980113 | 60193.68 | 5.4 | 701.5 ± 0.1 | 1.398 ± 0.002 | 7.6 ± 0.1 |
| 22 | 6203980114 | 60194.32 | 7.4 | 693.2 ± 0.1 | 1.478 ± 0.010 | 6.2 ± 0.3 |
| 23 | 6703010104 | 60194.71 | 0.8 | 714.0 ± 0.2 | 1.622 ± 0.006 | 7.4 ± 0.2 |
| 24 | 6750010501 | 60194.87 | 2.3 | 682.7 ± 0.1 | 1.448 ± 0.004 | 8.0 ± 0.1 |
| 25 | 6750010502 | 60195.29 | 4.8 | 661.6 ± 0.1 | 1.358 ± 0.002 | 7.9 ± 0.1 |
| 26 | 6203980115 | 60195.77 | 1.3 | 647.4 ± 0.2 | 1.352 ± 0.005 | 7.3 ± 0.2 |
| 27 | 6203980116 | 60196.13 | 0.5 | 648.0 ± 0.2 | 1.397 ± 0.010 | 7.0 ± 0.3 |
| 28 | 6703010106 | 60199.15 | 0.2 | 685.1 ± 0.2 | 2.267 ± 0.010 | 5.9 ± 0.3 |
| 29 | 6703010106 | 60199.28 | 0.4 | 737.5 ± 0.2 | 2.760 ± 0.008 | 5.5 ± 0.2 |
| 30 | 6203980118 | 60199.60 | 0.8 | 705.1 ± 0.2 | 2.455 ± 0.008 | 5.7 ± 0.2 |
| 31 | 6203980118 | 60199.93 | 1.1 | 775.7 ± 0.2 | 3.154 ± 0.007 | 5.4 ± 0.1 |
| 32 | 6511080101 | 60200.06 | 0.6 | 793.2 ± 0.3 | 3.378 ± 0.008 | 5.0 ± 0.1 |
| 33 | 6511080101 | 60200.12 | 0.6 | 735.2 ± 0.3 | 2.827 ± 0.008 | 5.3 ± 0.1 |
| 34 | 6203980119 | 60200.28 | 2.1 | 723.5 ± 0.1 | 2.704 ± 0.005 | 5.7 ± 0.1 |
| 35 | 6203980119 | 60200.60 | 1.4 | 688.1 ± 0.1 | 2.606 ± 0.004 | 5.7 ± 0.1 |
| 36 | 6203980119 | 60200.90 | 1.3 | 628.7 ± 0.1 | 2.056 ± 0.004 | 6.3 ± 0.1 |
| 37 | 6203980120 | 60201.51 | 6.3 | 607.6 ± 0.1 | 1.992 ± 0.003 | 6.3 ± 0.1 |
| 38 | 6203980121 | 60202.12 | 1.7 | 636.8 ± 0.2 | 2.308 ± 0.004 | 5.7 ± 0.1 |
| 39 | 6703010107 | 60202.63 | 4.5 | 678.9 ± 0.1 | 2.555 ± 0.004 | 6.1 ± 0.1 |
| 40 | 6750010202 | 60202.58 | 6.5 | 669.2 ± 0.1 | 2.740 ± 0.003 | 5.5 ± 0.1 |
| 41 | 6750010203 | 60203.19 | 1.9 | 641.7 ± 0.2 | 2.480 ± 0.004 | 5.7 ± 0.1 |
| 42 | 6203980122 | 60203.43 | 1.0 | 686.6 ± 0.2 | 2.531 ± 0.012 | 5.2 ± 0.2 |
| 43 | 6203980130 | 60219.70 | 2.6 | 666.9 ± 0.1 | 6.195 ± 0.022 | 2.1 ± 0.1 |
| 44 | 6203980131 | 60220.12 | 0.8 | 680.2 ± 0.2 | 6.856 ± 0.031 | 1.7 ± 0.1 |
| 45 | 6703010113 | 60220.64 | 3.5 | 677.2 ± 0.1 | 6.913 ± 0.021 | 1.6 ± 0.1 |
| 46 | 6557020401 | 60221.57 | 6.5 | 663.2 ± 0.1 | 6.840 ± 0.014 | 1.6 ± 0.1 |
| 47 | 6557020402 | 60222.09 | 0.6 | 652.5 ± 0.2 | 7.067 ± 0.032 | 1.5 ± 0.1 |
| 48 | ⋆6703010115 | 60222.54 | 1.3 | 707.8 ± 0.2 | 7.157 ± 0.175 | 0.7★ |
| 49 | ⋆6203980132 | 60222.67 | 2.3 | 714.9 ± 0.1 | 8.207 ± 0.241 | 0.4★ |
| 50 | ⋆6203980133 | 60223.51 | 5.2 | 697.1 ± 0.1 | [8.2]a | 0.2★ |
| 51 | ⋆6203980134 | 60224.51 | 3.9 | 679.0 ± 0.1 | 8.179 ± 0.209 | 0.3★ |
| 52 | ⋆6203980135 | 60225.54 | 0.6 | 663.8 ± 0.2 | [8.2]a | 0.3★ |
| 53 | ⋆6703010116 | 60225.45 | 3.1 | 666.0 ± 0.1 | [8.2]a | 0.1★ |
| 54 | 6203980136 | 60226.35 | 2.0 | 577.6 ± 0.1 | 6.697 ± 0.027 | 1.1 ± 0.1 |
Notes. The columns list the observation number, NICER ObsID, mid-time MJD, exposure in kilo seconds, texp, the 0.5–10.0 keV count rate, the QPO frequency and QPO fractional RMS amplitude. All uncertainties are provided at the 1 σ confidence level.
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