Table 1
Observation IDs and light curve properties of all 15 type I X-ray bursts.
| Burst No. | NICER | Burst onset | Peak rate(c) | Dip duration(d) | Dip count(e) |
|---|---|---|---|---|---|
| # | (Obs Id) | (MJD) | (104 C S−1) | (s) | (%) |
| 1 | 1050300108 | 57 994.37393 | 2.15 | 0.6 ± 0.1 | 47.5 ± 0.1 |
| 2 | 1050300108 | 57 994.46448 | 1.56 | – | – |
| 3 | 1050300109 | 57 995.22557 | 2.28 | 0.7 ± 0.1 | 31.3 ± 0.1 |
| 4 | 1050300109 | 57 995.34162 | 2.08 | 0.7 ± 0.1 | 41.4 ± 0.1 |
| 5 | 1050300109 | 57 995.60600 | 1.89 | 1.0 ± 0.1 | 61.1 ± 0.1 |
| 6 | 2050300104 | 58 641.29573 | 2.52 | 1.9 ± 0.1 | 8.4 ± 0.1 |
| 7 | 2050300108 | 58 646.84015 | 1.96 | 2.0 ± 0.1 | −0.9 ± 0.1 |
| 8 | 2050300110 | 58 648.32669 | 2.25 | 2.7 ± 0.1 | −1.0 ± 0.1 |
| 9 | 2050300115(a) | 58 655.09203 | 2.59 | 1.7 ± 0.1 | 15.5 ± 0.1 |
| 10 | 2050300119(b) | 58 660.31327 | 2.60 | 1.7 ± 0.1 | 8.3 ± 0.1 |
| 11 | 2050300119 | 58 660.77147 | 2.58 | 1.5 ± 0.1 | 17.7 ± 0.1 |
| 12 | 2050300120(a) | 58 661.78614 | 2.22 | 1.0 ± 0.1 | 27.5 ± 0.1 |
| 13 | 2050300122(a) | 58 663.98438 | 2.57 | 1.1 ± 0.1 | 20.4 ± 0.1 |
| 14 | 2050300124 | 58 665.59405 | 2.54 | 1.6 ± 0.1 | 13.4 ± 0.1 |
| 15 | 4680010101 | 59 336.61230 | 2.57 | 1.7 ± 0.1 | 13.6 ± 0.1 |
Notes. Bursts #1 and #1-5 are studied in Keek et al. (2018) and Strohmayer et al. (2019), respectively. (a)The X-ray bursts in the UFA event file. (b)The tail of burst #10 was truncated due to a data gap. (c)The peak rates with persistent emission subtracted are measured from the 0.1 s light curves in the energy range of 0.5–10 keV. (d)The dip duration of the 0.1 s light curves in the energy range of 3–10 keV. (e)The ratio of minimum count rate during the dip to peak count rate in 3–10 keV.
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