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Table 1.

Observations of Swift J1756.9–2508 for the 2018 and 2019 outbursts, respectively.

Mission Obs. ID Instrument Date (a) Exposure
(d) (ks)
2018 outburst

NuSTAR 90402313002 FPMA/FPMB 8.36 39.5
90402313004 FPMA/FPMB 14.13 61.0
NICER 1050230101 XTI 3.64 7.5
1050230102 XTI 4.61 7.1
1050230103 XTI 7.89 2.4
1050230104 XTI 8.02 10.7
1050230105 XTI 9.33 4.1
1050230106 XTI 10.02 6.2
1050230107 XTI 11.06 5.0
1050230108 XTI 25.85 1.5
XMM-Newton 0830190401 RGS/MOS/PN 8.09 66
INTEGRAL 1936, 1937 ISGRI −1.23, 1.42 129
1939 (ToO) ISGRI 7.68 85
1940 ISGRI 10.01
1942 ISGRI 14.91 190 (b)
1944 ISGRI 20.20
Insight-HXMT P011469200101 ME & HE 5.13 4.3
P011469200102 ME & HE 5.33 1.1
P011469200103 ME & HE 5.47 0.3
P011469200104 ME & HE 5.60 1.2
P011469200105 ME & HE 5.71 5.9
Swift 00030952018 XRT 2.67 1.0
00088662001 XRT 8.77 2.2
00030952019 XRT 9.78 1.0
00030952020 XRT 10.38 0.4
00030952021 XRT 12.59 1.3
00088662002 XRT 14.82 2.1
00030952022 XRT 18.75 1.0
00030952023 XRT 24.59 1.2
00030952024 XRT 27.44 1.4

2019 outburst

NuSTAR 90501329001 FPMA/FPMB 11.85 37.7
NICER 2050230101 XTI 9.10 1.5
2050230102 XTI 9.56 3.6
2050230103 XTI 11.10 5.4
2050230104 XTI 11.50 11.7
2050230105 XTI 16.51 1.1
2050230106 XTI 19.02 1.7
2050230107 XTI 21.16 1.1
Swift 00030952025 XRT 10.53 0.9

Notes.

(a)

The start time of the observations since MJD 58208 and 58644.5 for the 2018 and 2019 outbursts, respectively.

(b)

The total exposure time of Rev. 1940, 1942, and 1944.

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