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Home All issues Volume 703 (November 2025) A&A, 703 (2025) A254 Full HTML
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Table 1.

Burst parameter overview.

Burst Obs. Ids. (a) Burst onset (b) Peak rate (c) Fpeak(d) Eb PRE FTD(e) kTTD ΔTrec(f) Δtrise(g) τ(h)
# (MJD) (103 c s−1) (10−7 erg cm−2) (keV) (h) (s) (s)
1 x01 60004.28416 1.32 3.27 ± 0.15 4.56 ± 0.22 N – – – 2.8 13.94 ± 0.93
2 x01 60004.34022 0.81 1.58 ± 0.08 3.25 ± 0.16 N – – 1.34 2.8 20.57 ± 1.45
3 x01 60004.92388 1.42 2.87 ± 0.12 4.69 ± 0.27 N – – 13.99 2.9 16.34 ± 1.16
4 x06 60009.37851 2.41 5.02 ± 0.23 3.07 ± 0.16 Y 5.02 ± 0.23 3.25 ± 0.57 106.8 2.4 6.12 ± 0.42
– – 60021.64913 – – – – – – 294.49 – –
5 x15 60021.84144 1.98 3.92 ± 0.16 3.35 ± 0.13 N – – 4.61 2.3 8.55 ± 0.48
6 x19 60025.57105 3.10 8.51 ± 0.39 3.96 ± 0.17 Y 8.51 ± 0.39 3.92 ± 0.83 89.51 0.7 4.56 ± 0.29
7 x20 60026.97903 3.07 7.46 ± 0.33 4.91 ± 0.28 Y 7.46 ± 0.33 3.61 ± 1.12 33.59 1.2 6.58 ± 0.48

Notes.

(a)

We only use the last two digits to represent NICER Obs. IDs; the x replaces 62036701.

(b)

The start time of the type I X-ray burst.

(c)

The peak count rates were measured from the 0.5-second light curves in the energy range 0.5−10 keV.

(d)

The bolometric peak flux of each burst is in units of 10−8 erg s−1 cm−2.

(e)

The bolometric touchdown flux is in units of 10−8 erg s−1 cm−2.

(f)

The observed recurrence time.

(g)

The time of burst onset to its peak.

(h)

The decay time of bursts defined as the ratio of the burst fluence to its peak flux.

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