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Table 3

Spectral parameters for the different rate bands from the six typical RXTE observations, which are fit with diskbb+powerlaw model.

# Obs. ID Rate band HR1 PL index NORM T in NORM
(cts/s) powerlaw (keV) diskbb

1 O-04-03 0250 0.431 ± 0.005 2.70 0.27 1.06 11.20 1.23
2 200300a 0.428 ± 0.004 2.25 0.11 1.16 11.10 1.08
3 200300d 0.417 ± 0.006 2.51 0.20 1.10 14.05 1.01
4 250350a 0.426 ± 0.003 2.39 0.20 1.16 10.61 1.16
5 250350d 0.410 ± 0.004 2.33 0.15 1.17 13.59 1.13
6 300400a 0.428 ± 0.003 2.33 0.15 1.17 13.59 1.13
7 300400d 0.419 ± 0.004 2.29 0.16 1.20 13.63 0.98
8 350450 0.421 ± 0.005 2.23 0.13 1.31 11.74 0.87

1 O-05-00 0250 0.402 ± 0.004 2.25 0.10 1.05 16.51 1.24
2 200300 0.377 ± 0.005 2.01 0.06 1.09 20.18 1.39
3 250350a 0.394 ± 0.003 1.92 0.05 1.05 24.65 1.30
4 250350d 0.374 ± 0.004 2.03 0.07 1.12 20.71 1.80
5 300400a 0.390 ± 0.003 2.06 0.09 1.20 16.38 1.99
6 300400d 0.375 ± 0.004 2.05 0.08 1.19 19.69 1.54
7 350450a 0.381 ± 0.003 2.24 0.15 1.20 18.34 1.26
8 350450d 0.375 ± 0.005 2.34 0.17 1.26 16.23 1.22
9 400500a 0.372 ± 0.005 1.83 0.05 1.36 14.25 0.68
10 400500d 0.367 ± 0.008 2.28 0.14 1.39 13.10 1.01
11 450550 0.392 ± 0.006 2.23 0.08 1.49 11.65 1.17

1 O-07-01 0200 0.368 ± 0.003 2.79 0.18 1.00 11.79 0.97
2 150250a 0.359 ± 0.003 2.64 0.15 1.01 16.03 1.12
3 150250d 0.377 ± 0.005 2.54 0.10 1.10 12.93 1.17
4 200300a 0.347 ± 0.002 2.76 0.23 1.08 14.56 1.48
5 200300d 0.358 ± 0.005 2.28 0.05 1.20 14.34 1.03
6 250350a 0.346 ± 0.003 2.29 0.08 1.19 15.49 1.06
7 250350d 0.365 ± 0.005 3.08 0.47 1.42 6.18 1.26
8 300400a 0.364 ± 0.003 2.76 0.30 1.35 8.83 1.13
9 300400d 0.375 ± 0.004 2.87 0.37 1.51 6.11 1.07
10 350450a 0.376 ± 0.003 2.77 0.33 1.42 9.39 1.01
11 350450d 0.396 ± 0.004 2.72 0.30 1.51 7.30 1.09
12 400500a 0.395 ± 0.003 2.76 0.35 1.49 8.09 1.13
13 400500d 0.404 ± 0.004 2.60 0.28 1.52 7.85 1.25
14 450550 0.413 ± 0.003 2.67 0.35 1.54 7.73 0.96
1 O-09-06 0150 0.458 ± 0.004 3.22 0.26 1.92 0.37 1.75
2 100200a 0.457 ± 0.004 3.18 0.27 1.92 0.66 1.51
3 100200d 0.496 ± 0.005 3.03 0.23 1.91 0.71 1.93
4 150250a 0.484 ± 0.003 2.97 0.19 1.79 1.37 1.19
5 150250d 0.500 ± 0.004 3.10 0.28 1.95 1.09 1.71
6 200300 0.497 ± 0.005 3.08 0.27 1.92 1.53 1.35

1 O-37-04 0200 0.515 ± 0.014 5.26 2.46 2.21 0.25 1.20
2 150250a 0.517 ± 0.009 5.09 2.80 2.11 0.78 1.15g
3 150250d 0.514 ± 0.012 4.03 0.88 2.11 0.84 0.92g
4 200300a 0.522 ± 0.004 4.21 1.02 2.13 0.99 1.28
5 200300d 0.522 ± 0.005 3.81 0.67 2.10 1.25 1.09
6 250350a 0.532 ± 0.004 3.70 0.77 2.18 1.12 1.64
7 250350d 0.535 ± 0.005 3.74 0.82 2.17 1.23 1.62
8 300400a 0.541 ± 0.003 3.86 1.10 2.24 1.12 1.69
9 300400d 0.538 ± 0.004 3.51 0.67 2.17 1.39 1.66
10 350450 0.549 ± 0.005 3.88 1.17 2.21 1.43 1.15

1 O-08-03 0200 0.430 ± 0.006 2.01 0.03 1.05 11.24 1.19
2 150250 0.428 ± 0.006 2.29 0.07 1.15 9.11 1.50
3 200300a 0.395 ± 0.003 2.44 0.13 1.24 8.48 1.38
4 200300d 0.418 ± 0.005 2.80 0.32 1.57 2.77 0.97
5 250350a 0.395 ± 0.003 2.20 0.07 1.38 7.73 1.14
6 250350d 0.431 ± 0.005 2.67 0.26 1.46 5.38 1.16
7 300400a 0.408 ± 0.003 2.32 0.11 1.49 6.54 1.46
8 300400d 0.440 ± 0.004 2.40 0.14 1.47 7.46 0.86
9 350450a 0.416 ± 0.003 2.36 0.13 1.64 5.16 0.98
10 350450d 0.446 ± 0.004 2.77 0.40 1.61 4.86 0.79
11 400500a 0.437 ± 0.003 2.55 0.23 1.66 5.17 0.96

Notes. is the label of each rate band of different RXTE observations. Rate bands are all extracted from energy interval 260 keV; HR1 is defined as the hardness ratio between the 6.515.0 keV and 2.06.5 keV count rates; PL index is the powerlaw photon index; NORM powerlaw is the normalization of the powerlaw model; Tin is the inner temperature of the diskbb model in XSPEC; NORM diskbb is the normalization of the diskbb model that is proportional to the square of the inner disk radius. The symbol “g” denotes the energy spectra that a Gaussian was used to fit. The symbol “a” (“d”) denotes the ascending (descending) parts of each rate band.

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