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Table 6.

Best fit parameters for M51 ULX-7 (B = 8 × 1012 G).

χ = 20°, ξ = 10°

Observation ID N (a) (1023) K (b) (10−6) α(b) β(b) J (c) (10−3) Tin(d) χ2/d.o.f.
(keV/cm2/s) (keV/cm2/s) (keV) (keV/cm2/s) (keV)
0824450901 5.8 ± 0.8 1.73 ± 1.73 –5.1 ± 1.1 1.3 ± 0.3 3.3 ± 0.2 0.32 426/384
0830191501 3.7 ± 0.2 0.094 ± 0.093 –8.2 ± 1.1 0.9 ± 0.1 4.2 ± 0.2 0.32 445/380
0830191601 9.8 ± 7.6 39.3 ± 31.9 –1.6 ± 0.6 5.1 ± 1.9 3.6 ± 1.0 0.28 423/380

χ = 60°, ξ = 10°

Observation ID N (a) (1023) K (b) (10−6) α(b) β(b) J (c) (10−3) Tin(d) χ2/d.o.f.
(keV/cm2/s) (keV/cm2/s) (keV) (keV/cm2/s) (keV)

0824450901 10.1 ± 1.2 1.26 ± 1.28 –5.3 ± 1.1 1.3 ± 0.3 3.5 ± 0.2 0.32 431/384
0830191501 6.6 ± 0.3 0.046 ± 0.049 –8.9 ± 1.2 0.8 ± 0.1 4.5 ± 0.2 0.32 448/380
0830191601 19.2 ± 13.2 43.5 ± 26.9 –1.5 ± 0.4 5.6 ± 1.6 3.5 ± 0.9 0.30 420/380

Notes.

(a)

TORUSDISK norm.

(b)

CUTOFFPL: norm, photon index, and e-folding energy of exponential cut-off.

(c)

BBODY norm.

(d)

Temperature at the inner radius of the accretion disk

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