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Table 2

The excess variance () and 2−10 keV intrinsic luminosity (L2−10   keV) in logarithmic scale.

Name ObsID/Seg. log(LX)
(× 10-3)

NGC 55ULX 028740201/1 147 ± 2.1 38.7
NGC 253PSX-2 152020101/1 5.7 ± 2.4 39.3
/2 −1.8 ± 2.6
125960101/1 10.0 ± 2.0 39.4
(6.5 ± 1.3) (39.4)
NGC 1313X-1 106860101/1 2.4 ± 1.6 39.6
405090101/1 4.0 ± 1.5 39.6
/2 −0.3 ± 1.5
(2.0 ± 0.9) (39.6)
NGC 1313X-2 106860101/1 −7.1 ± 6.8 39.1
405090101/1 22.9 ± 1.4 39.7
/2 11.3 ± 1.3
(16.2 ± 0.9) (39.5)
NGC 2403X-1 164560901/1 −2.3 ± 3.5 39.2
/2 −2.8 ± 4.5
(<8.3)
HoIIX-1 200470101/1 1.3 ± 1.0 39.6
M81X-6 111800101/1 0.9 ± 2.2 39.5
/2 8.2 ± 2.1
(4.9 ± 1.5)
M82X-1 206080101/1 1.0 ± 0.3 40.4
/2 0.8 ± 0.3
(0.9 ± 0.2)
HoIXX-1 200980101/1 0.1 ± 0.6 39.8
/2 1.2 ± 0.6
(0.6 ± 0.4)
NGC 3628X-1 110980101/1 0.6 ± 6.2 40.0
NGC 4559X-1 152170501/1 13.0 ± 6.6 39.6
NGC 4945X-2 204870101/1 −10.5 ± 9.5 39.0
(<27.0)
NGC 5204X-1 405690201/1 1.6 ± 2.5 39.6
NGC 5408X-1 500750101/1 16.0 ± 5.1 39.3
302900101/1 2.4 ± 5.0 39.5
/2 12.4 ± 5.1
(10.2 ± 3.0) (39.4)

POX52 302420101/1 78 ± 17 40.7
/2 105 ± 15
(93 ± 11)

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