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Table 5.
Time-averaged EPIC spectroscopy (Obs ID 0844101101) of IGR J17503-2636 (second column) and IGR J17507-2647 (last four columns). The flux (UF) has been corrected for absorption (1–10 keV). d10 kpc is the source distance in units of 10 kpc.
| Param | IGR J17503-2636 | IGR J17507-2647 | |||
|---|---|---|---|---|---|
| NH (1022 cm−2) | 23 ± 1 | 11 ± 2 | 12 ± 2 | 12 ± 2 | 15 ± 1 |
| Power law Γ | 1.03±0.08 | 0.86−0.23+0.24 | 0.98−0.25+0.27 | 0.97−0.24+0.26 | − |
| UF (10−11 erg cm−2 s−1) | 1.73−0.07+0.09 | 0.41−0.03+0.04 | 0.41−0.04+0.05 | 0.41−0.04+0.05 | 0.48−0.03+0.03 |
| kTapec (keV) | − | − | − | − | > 40 |
| Eline (keV) | − | − | 6.49−0.13+0.12 | 6.4 fixed | − |
| Line width (keV) | − | − | 0.27−0.14+0.15 | 0.0 fixed | − |
| Norm. (10−6 ph cm−2 s−1) | − | − | 18−7+8 | 7.9−3.6+3.6 | − |
| EW (eV) | − | − | 400 ± 200 | 160 ± 80 | − |
| Eline (keV) | − | − | − | 6.7 fixed | − |
| Line width (keV) | − | − | − | 0.0 fixed | − |
| Norm. (10−6 ph cm−2 s−1) | − | − | − | < 7.3 | − |
| EW (eV) | − | − | − | < 130 | − |
| Eline (keV) | − | − | − | 6.9 fixed | − |
| Line width (keV) | − | − | − | 0.0 fixed | − |
| Norm. (10−6 ph cm−2 s−1) | − | − | − | < 7.7 | − |
| EW (eV) | − | − | − | < 180 | − |
| LX (erg s−1) | 2.1 × 1035 d10 kpc2 | 4.9 × 1034 d10 kpc2 | 4.9 × 1034 d10 kpc2 | 4.9 × 1034 d10 kpc2 | 5.7 × 1034 d10 kpc2 |
| χ2 (d.o.f) | 924.34 (886) | 127.11 (101) | 105.55 (98) | 106.87 (98) | 135.33 (101) |
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