Spin measurement of 4U 1543–47 with Insight-HXMT and NICER from its 2021 outburst - A test of accretion disk models at high luminosities

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Volume 677 (September 2023)

A&A, 677 (2023) A79

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Table 5

Spin estimates of all ‘golden’ observations.

	α-viscosity = 0.01		α-viscosity = 0.1
	a_*	χ²/DOF	a_*	X²/DOF
Insight-HXMT
P030402603501		1102/1048		1180/1048
P030402603502		1074/1048		1160/1048
P030402603503		960/1048		1010/1048
P030402603601		1181/1048		1221/1048
P030402603602		950/1048		993/1048
P030402603603		1045 1048		1101/1048
P030402603701		1156/1048		1188/1048
P030402603702		947/1048		987/1048
P030402603703		977/1048		1005/1048
P030402603801		992/1048		1033/1048
P030402603802		993/1048		1037/1048
P030402603803		1051/1048		1113/1048
NICER
P030402604101		1077/1048		1121/1048
4202230162		630/699		698/699
4202230165		625/699		670/699
4202230166		584/699		647/699
4202230167		604/699		662/699
4202230168		631/699		656/699
4202230172		1094/699		1015/699

Notes. The energy range for Insight-HXMT is 2–8 keV (LE) and 10–30 keV (ME). The energy range for NICER is between 2–9 keV. Energies below 2 keV for both Insight-HXMT & NICER were excluded due to poor calibration.

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